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Trigonometric Identities

CBSE X Mathematics Introduction to Trigonometry

Prove that : cotA + cosecA - 1/cotA-cosecA+1 = 1+cosA / sinA

Asked by 20th September 2012 10:07 PM
Answered by Expert

CBSE X Mathematics

tanA+secA-1/tanA-secA+1=1+sinA/cosA

Asked by Adithya Rao 18th May 2014 8:49 AM
Answered by Expert

CBSE X Mathematics Introduction to Trigonometry

[sinA/(secA+tanA-1)]+[cosA/(cosecA+cotA+1)]

Asked by Shumitha 4th October 2017 9:59 PM
Answered by Expert

JEE Plances JEE (Main) Mathematics Trigonometric Ratios, Identities and Equations

Q17 pls

Asked by Tanishq 25th October 2017 5:21 PM
Answered by Expert

JEE Plances JEE (Main) Mathematics Trigonometric Ratios, Identities and Equations

Q20

Asked by Tanishq 25th October 2017 5:23 PM
Answered by Expert

CBSE X Mathematics Introduction to Trigonometry

If √3 tan β = 3 sin β, prove that sin^2 β - cos^2 β = 1/3.

Asked by arup_chakraborty2007 10th November 2017 2:52 PM
Answered by Expert

CBSE X Mathematics Introduction to Trigonometry

If √3 tanΦ = 3sinΦ , then find the value of sin²Φ - cos²Φ .

Asked by pdcavita 18th November 2017 11:35 AM
Answered by Expert

CBSE X Mathematics Introduction to Trigonometry

Prove that (tanΦ+1/cosΦ)² + (tanΦ - 1/cosΦ)² = 2(1+ sin² Φ/1- sin²Φ)

Asked by pdcavita 18th November 2017 12:42 PM
Answered by Expert

CBSE X Mathematics Introduction to Trigonometry

If x = r sinAcosB,  y = r sinAcosB and z= r cosA, show that x² + y²+ z²= r².

Asked by pdcavita 18th November 2017 12:46 PM
Answered by Expert

CBSE X Mathematics Introduction to Trigonometry

Prove that sinA - cosA +1/ sinA + cosA - 1 =1/secA - tanA. 

Asked by pdcavita 18th November 2017 1:13 PM
Answered by Expert

CBSE X Mathematics Introduction to Trigonometry

Ohh.... Tq Q1. Prove that( cosecA - sinA) (secA - cosA) = 1/ tanA - cotA.

Asked by pdcavita 19th November 2017 2:11 PM
Answered by Expert

JEE Plances ALL Class Mathematics

please solve the questions from 13-16

Asked by jaychandran1967 11th December 2017 5:54 PM
Answered by Expert

JEE Plances ALL Class Mathematics

plese solve the question

Asked by jaychandran1967 17th December 2017 10:38 AM
Answered by Expert

JEE Plances JEE (Main) Mathematics

  With usual notation prove that 2 ( a sin^2 C/2+c sin^2 A/2 ) = a + c- b

Asked by shahsamaira2 8th January 2018 5:28 PM
Answered by Expert

ICSE X Mathematics Trigonometrical Identities

Plz solve ques 51 urgently

Asked by lovemaan5500 14th January 2018 2:18 PM
Answered by Expert

ICSE X Mathematics

(sinA + cosecA)2 + (cosA + secA)2 = 5 + sec2A x cosec2A

Asked by Yesan 27th January 2018 5:30 PM
Answered by Expert

ICSE X Mathematics Trigonometric Identities

sin A(1+tan A)+cosa(1+cotA)=secA + cosecA

Asked by Harshit 27th January 2018 8:18 PM
Answered by Expert

CBSE X Mathematics Introduction to Trigonometry

Prove that  (1 + cot A  + tan A) (sin A - cos A) = sin A tan A - cot A cos A

Asked by gpnkumar0 28th January 2018 8:08 PM
Answered by Expert

ICSE X Mathematics

trignometry identies

Asked by 404152280012660 4th February 2018 10:34 AM
Answered by Expert

ICSE X Mathematics Trigonometrical Identities

Plz answer 1 part

Asked by lovemaan5500 4th February 2018 5:37 PM
Answered by Expert

ICSE X Mathematics Trigonometrical Identities

Plz.answer 2nd part

Asked by lovemaan5500 4th February 2018 5:38 PM
Answered by Expert

ICSE X Mathematics Trigonometrical Identities

prove that: (sin A - cos A +1)/ ( sin A + cosA -1)= ( 1+ sin A )/ cosA

Asked by bdroy_2014 7th February 2018 9:51 PM
Answered by Expert

CBSE X Mathematics Introduction to Trigonometry

If tanΦ + sinΦ =m and  tanΦ-sinΦ = n,  show that m²-n² = 4√mn

Asked by pdcavita 8th February 2018 7:57 PM
Answered by Expert

ICSE X Mathematics Trigonometric Identities

   

Asked by nandinidwivedi062002 11th February 2018 12:45 PM
Answered by Expert

ICSE X Mathematics Trigonometrical Identities

secA -tanA/secA +tanA =1-2 secAtanA +2(tan)2 A  

Asked by nandinidwivedi062002 11th February 2018 12:51 PM
Answered by Expert

CBSE X Mathematics

If cosecA - sinA = m and secA - cosA=n Prove that: m^2n raised to 2/3 + mn^2 raised to 2/3 = 1

Asked by manasvi.gopani 14th February 2018 12:40 PM
Answered by Expert

CBSE X Mathematics Introduction to Trigonometry

(1+cotA+tanA)(sinA-cosA) = secA - cosecA ÷ cosec`2A - sec '2A = sinAtanA - cotAcosA

Asked by Rohit S 14th February 2018 8:30 PM
Answered by Expert

CBSE X Mathematics Introduction to Trigonometry

If 5x sec and 5/x = tan theta find the value of 5(xsquare-1/xsquare)

Asked by DG 16th February 2018 6:30 PM
Answered by Expert

ICSE X Mathematics Trigonometrical Identities

prove that (sina-cosa+1)/(sina+cosa-1)=1/(seca-tana)

Asked by subhasray1968 17th February 2018 12:10 AM
Answered by Expert

CBSE X Mathematics Introduction to Trigonometry

If cosA+sinA=√2,prove that cosA-sinA=√2sinA

Asked by ihsanansar123 20th February 2018 11:58 AM
Answered by Expert

ICSE X Mathematics Trigonometrical Identities

C part circled

Asked by lovemaan5500 22nd February 2018 6:25 AM
Answered by Expert

ICSE X Mathematics Trigonometrical Identities

Plz solve 15

Asked by Jatinaa786 24th February 2018 1:07 PM
Answer Verified by Expert

ICSE X Mathematics Trigonometrical Identities

Q9 b part

Asked by lovemaan5500 26th February 2018 7:00 AM
Answered by Expert

CBSE X Mathematics Introduction to Trigonometry

pls explain

Asked by gpnkumar0 3rd March 2018 9:47 PM
Answered by Expert

ICSE X Mathematics

Prove.

Asked by Adrija 10th March 2018 10:55 AM
Answered by Expert

CBSE X Mathematics Introduction to Trigonometry

pls prove

Asked by gpnkumar0 26th March 2018 10:09 PM
Answered by Expert

CBSE X Mathematics Introduction to Trigonometry

I want learn all the identities of trigonometry  

Asked by Saurav 28th March 2018 7:46 AM
Answered by Expert

ICSE X Mathematics Trigonometrical Identities

If sin A+cos A=√2 sin(90-A),show that cot A=√2+1

Asked by Sunita 31st March 2018 7:53 PM
Answered by Expert

ICSE X Mathematics Trigonometric Identities

cot A + cosec A - 1 / cot A - cosec A + 1 = 1 + cos A / sin A

Asked by suryasonawane11 1st April 2018 9:13 PM
Answered by Expert

ICSE X Mathematics Trigonometric Identities

Prove (Sin A+sec A)^2+(cosA+cosec A)^2=(1+secA.cosecA)

Asked by Sunita 3rd April 2018 8:36 PM
Answered by Expert

ICSE X Mathematics Trigonometrical Identities

Prove  (Tan A+sinA)/(tan A-sin A)=(secA+1)/(secA-1)  

Asked by Sunita 3rd April 2018 8:40 PM
Answered by Expert

ICSE X Mathematics Trigonometrical Identities

3 cosA=2sin^2A Find A

Asked by Sunita 3rd April 2018 8:41 PM
Answered by Expert

ICSE X Mathematics

prove sinA+cosA/(sinA-cosA)   +   sinA-cosA/(sinA+cosA)=1/(sin2A-cos2A)=2/(1-2cos2A)=2sec2A/(tan2A-1)

Asked by Sunita 5th April 2018 3:54 PM
Answered by Expert

ICSE X Mathematics

Prove Tan2A/(tan2A-1)   +   cosec2A/(sec2A-cosec2A)=1/(sin2A-cos2A)  

Asked by Sunita 5th April 2018 3:59 PM
Answered by Expert

ICSE X Mathematics

Eliminate A Cot A+cosA=m & cotA—cosA=n

Asked by Sunita 5th April 2018 4:02 PM
Answered by Expert

CBSE XI Science Mathematics

sin(a+b)= sina.cosb +cosa.sinb how?prove  

Asked by Shivendra 22nd April 2018 10:09 AM
Answered by Expert

CBSE X Mathematics Introduction to Trigonometry

please sir help me to solve this query

 


fraction numerator sin squared theta plus sin squared 90 minus theta over denominator 3 open parentheses s e c squared 61 minus c o t squared 29 close parentheses end fraction minus fraction numerator 3 c o t squared 30 space sin squared 54 space s e c squared 36 over denominator 2 open parentheses cos e c squared 65 minus tan squared 25 close parentheses end fraction

Asked by krishdabhoya2003 10th June 2018 12:43 PM
Answered by Expert

CBSE XI Science Mathematics Trigonometric Functions

cosec x (sec x - 1) - cot x (1 - cos x) = tan x - sin x Prove the Following Identity.

Asked by Anish 16th June 2018 8:38 AM
Answered by Expert

JEE Plances JEE (Main) Mathematics Trigonometric Ratios, Identities and Equations

Prove the following identity.

Asked by Anish 16th June 2018 4:42 PM
Answered by Expert

CBSE XI Science Mathematics Trigonometric Functions

Evaluate : (1+cos π/8 ) (1+cos 3π/8 ) (1+cos 5π/8 ) (1+cos 7π/8 )

Asked by tps.mjmdr 16th June 2018 5:42 PM
Answered by Expert

JEE Plances JEE (Main) Mathematics Trigonometric Ratios, Identities and Equations

Prove that

Asked by Anish 30th June 2018 1:08 PM
Answered by Expert

CBSE XI Science Mathematics Trigonometric Functions

(1+cosπ/8)(1+cos3π/8)(1+cos5π/8)(1+cos7π/8)=1/8  

Asked by rajkumarpandey3783 6th July 2018 9:02 PM
Answered by Expert

CBSE XI Science Mathematics Trigonometric Functions

(sinø-cosø)^2=1-sin2ø

Asked by abhaysharma2710 15th July 2018 10:09 AM
Answered by Expert

CBSE X Mathematics Introduction to Trigonometry

Prove that:

Asked by 1784393325200864 16th July 2018 6:30 AM
Answered by Expert

CBSE X Mathematics Introduction to Trigonometry

Prove that:

Asked by 1784393325200864 16th July 2018 6:31 AM
Answered by Expert

JEE Plances JEE (Main) Mathematics

Solve it

Asked by hariom2083 20th July 2018 12:29 AM
Answered by Expert

ICSE XI Science Mathematics

If tan x=k , then find the value of fraction numerator sin x over denominator cos cubed x end fraction plus fraction numerator cos begin display style x end style over denominator begin display style sin cubed end style begin display style x end style end fraction


 


 

Asked by SanskarAgarwal86 6th August 2018 10:25 PM
Answered by Expert

ICSE X Mathematics Trigonometric Identities

Please tell me

Asked by siddharthjaiswal1122 22nd August 2018 9:44 AM
Answered by Expert

CBSE XI Science Mathematics

[sin^2(x)+cos^2(x)]

Asked by nishantkushwaha512 22nd August 2018 3:05 PM
Answered by Expert

CBSE XI Science Mathematics

If acosA-bsinA=c

Prove that.   asinA+bcosA=square root of a squared plus b squared minus c squared end root

Asked by kahafnaaz243 23rd August 2018 9:47 PM
Answered by Expert

ICSE X Mathematics Trigonometrical Identities

if  9sinß+40cosß=41 proov   41cosß=40

Asked by dr_pradip27121972 8th September 2018 11:13 AM
Answered by Expert

Maharashtra X Mathematics

Prove that ,tan thita/sec thita-1=tan thita+sec this+1/tan this+sec thita-1

Asked by pandeydn4332 21st September 2018 11:52 PM
Answered by Expert

CBSE X Mathematics

7 sin squared theta plus 3 cos squared theta equals 4

then show that tantheta=fraction numerator 1 over denominator square root of 3 end fraction

Asked by dilwalevk143 22nd September 2018 1:53 PM
Answered by Expert

CBSE X Mathematics

IfcosA+sinA =√2cosA,prove that cosA-sinA=√2sinA  

Asked by Soumyaputtige262 1st October 2018 8:55 PM
Answered by Expert

CBSE XII Science Mathematics Integrals

Integration cosec3 x dx explain in great detail and give full solution

Asked by haroonrashidgkp 18th October 2018 4:31 PM
Answered by Expert

ICSE X Mathematics Trigonometrical Identities

Prove it. (sinA+secA)sq.+(cosA+cosecA)sq.=(1+secAcosecA)sq.

Asked by jaiswalsindhuli717 9th November 2018 4:12 PM
Answered by Expert

ICSE X Mathematics Trigonometric Identities

cot^2A -cos ^2A =cos ^2A ×cot ^2A

Asked by dantkalesamarth 22nd November 2018 10:03 PM
Answered by Expert

ICSE X Mathematics Trigonometrical Identities

eliminate ß in the following epressions. tan ß + sin ß = p  and  tan ß - sin ß = q

Asked by nidhimehendre 25th December 2018 10:02 PM
Answered by Expert

ICSE X Mathematics Trigonometric Identities

Prove that

Asked by debabratap261 18th January 2019 10:24 AM
Answered by Expert

ICSE X Mathematics Trigonometric Identities


if cos A + sin  A=square root of 2  cos A

show that cos A-sin A=square root of 2 sin A

Asked by shivasanthosh0804 23rd January 2019 6:18 PM
Answered by Expert

CBSE X Mathematics Introduction to Trigonometry

If  tan^2A=1-a^2, prove that secA+tan^3cosecA=(2-a^2)^3/2 please answer in a simple way.

Asked by guptaabhinav0809 10th February 2019 11:44 PM
Answered by Expert

CBSE X Mathematics Introduction to Trigonometry

If cosA-sinA=root 2sinA  Prove that cos A +sinA=root 2 cosA

Asked by Kumarashish6345 21st February 2019 8:03 AM
Answered by Expert

CBSE X Mathematics Introduction to Trigonometry

Sin a + cos a + 1/ sin a + cos a - 1 = 1/ sin a - tan a 

Asked by adityaagrawal020503 21st February 2019 11:30 PM
Answered by Expert

CBSE X Mathematics Introduction to Trigonometry

If 3 sin A + 5 cos A = 5, prove that (5 sin A - 3 cos A) = +-3

Asked by Kumarashish6345 22nd February 2019 8:57 AM
Answered by Expert

CBSE X Mathematics Some Applications of Trigonometry

a cos theta + b sin theta = 5 find value of b cos theta - a sin theta​

Asked by Soma 28th February 2019 3:45 PM
Answered by Expert

CBSE X Mathematics Introduction to Trigonometry

solution for this

Asked by ABHILASHA 5th March 2019 11:18 PM
Answered by Expert

CBSE X Mathematics Introduction to Trigonometry

solution required as early as possible...

Asked by ABHILASHA 5th March 2019 11:20 PM
Answered by Expert

CBSE X Mathematics Introduction to Trigonometry

If sin θ = 31 , then find the value of (2 cot2θ + 2)

Asked by youngster.tamizha2468 6th March 2019 3:37 PM
Answered by Expert

CBSE X Mathematics Introduction to Trigonometry

Please prove  

Asked by mebakyabum 9th May 2019 9:48 AM
Answered by Expert

CBSE XI Science Mathematics Trigonometric Functions

sin^2n x+cos^2n x, minimum value?

Asked by aahnik.mohanty 29th May 2019 7:56 PM
Answered by Expert

CBSE XI Science Mathematics Trigonometric Functions

sinx1sinx2-cosx1cosx2+1=0 the value of tanx1/2*tanx2/2 is alwya equal to?  

Asked by aahnik.mohanty 29th May 2019 8:00 PM
Answered by Expert

CBSE XI Science Mathematics Trigonometric Functions

tanx=root n where n belongs to Ngreater or equal than2 then sec 2x is always-

rational irrational positive or negative?

 

Asked by aahnik.mohanty 29th May 2019 8:02 PM
Answered by Expert

CBSE X Mathematics Introduction to Trigonometry

Prove that 1-tan²A/1+tan²A=cos²A-sin²A  

Asked by shivengrover12 16th June 2019 10:28 AM
Answered by Expert

ICSE X Mathematics Trigonometrical Identities

Cosec^4A - cosec^2A = cot^4 + cot^2

Asked by Arihantkothari33 11th July 2019 7:17 PM
Answered by Expert

ICSE X Mathematics Trigonometrical Identities

sec A(1 -sec A)(sec A + tan A)= 1

Asked by ketakiudeshi 13th July 2019 2:10 PM
Answered by Expert

CBSE X Mathematics Introduction to Trigonometry

cosec A+cot A/cosec A-cot A=(cosec A+cot A^2  

Asked by haraulakh1999 21st July 2019 9:40 AM
Answered by Expert

CBSE XI Science Mathematics Trigonometric Functions

Find the values of x for which it satisfies tanx = cot 5 x as well as sin 2x = cos 4x [x€ (-π/2,π/2)]

Asked by sajal2402 30th July 2019 11:19 AM
Answered by Expert

ICSE X Mathematics Trigonometrical Identities

SinA+sinB/cosA-cosB+cosA+cosB/sinA-sinB=?  

Asked by ak7658270 30th July 2019 9:30 PM
Answered by Expert

ICSE X Mathematics Trigonometric Identities

Given: cosA = 5/13  evaluate: (I)sin A - cotA/ 2tanA (ii)cotA + 1/tanA    

Asked by grandhienterprises13 8th August 2019 7:16 AM
Answered by Expert

ICSE IX Mathematics Trigonometry

Simplify root of (1-sin square theta) /(1-cos square theta) 

Asked by sannoysubir 9th September 2019 12:02 AM
Answered by Expert

CBSE X Mathematics Introduction to Trigonometry

sinx - cosx = root2 find tanx

Asked by tarunn250 24th September 2019 10:45 PM
Answered by Expert

CBSE X Mathematics Introduction to Trigonometry

Prove that : 1-sinA/1+sinA=(secA-tanA)2

Asked by giridipak451 4th October 2019 10:01 PM
Answered by Expert

ICSE X Mathematics Trigonometrical Identities

this sum is of trignometry. cotA+cosecA-1/cotA-cosecA+1=i=cotA/sinA

Asked by gsamarth458 12th October 2019 8:33 AM
Answered by Expert

CBSE X Mathematics Introduction to Trigonometry

Cos A/1+ sin A + 1+ sin A /cos A = 2 sec A

Asked by ruhirathiya 17th October 2019 5:23 AM
Answered by Expert

JEE Main Mathematics Trigonometry

What is the value of sec 333º × (sec^2 333º - 1)^½?

Asked by rishabhsankla1 13th November 2019 12:29 AM
Answered by Expert

JEE Main Mathematics Trigonometry

If f(θ) = sin2 θ + sin2 (θ+2π/3) + sin2 (θ+4π/3), then what will be f(π/10)?

Asked by rishabhsankla1 26th November 2019 8:20 PM
Answered by Expert

CBSE X Mathematics Introduction to Trigonometry

Solve - sinA^4+cosA^4+1=2sinA^2

Asked by Nganesh101 2nd January 2020 11:48 AM
Answered by Expert

ICSE X Mathematics Trigonometric Identities

Cosec A /CosecA-1 + Cosec A/Cosec A+1 = 2 + 2tan^2A

Asked by ayush421301 6th January 2020 12:48 AM
Answered by Expert

CBSE X Mathematics Introduction to Trigonometry

(1+secA)/secA = sin²A/(1-cosA)  

Asked by nijurajeev7276 7th January 2020 10:27 AM
Answered by Expert

CBSE X Mathematics Introduction to Trigonometry

if sinA +cosA =√3, then prove that tanA +cotA =1

Asked by singh.dh 12th January 2020 10:42 PM
Answered by Expert

CBSE X Mathematics Introduction to Trigonometry

Kindly solve If cos^4(A)/cos^2(B) + sin^4(A)/son^2(B)=1     Then prove that Cos^4(B)/cos^2(A) + sin^4(B)/sin^2(A) =1

Asked by Kanchanchandra.1989 14th January 2020 10:58 AM
Answered by Expert

CBSE X Mathematics Introduction to Trigonometry

Evaluate cos48°cos42°–sin48°sin42°

Asked by Maharanam446 22nd January 2020 1:21 PM
Answered by Expert

CBSE X Mathematics Introduction to Trigonometry

ok

Asked by sonupbhoye1 29th January 2020 10:56 AM
Answered by Expert

CBSE X Mathematics Introduction to Trigonometry

Can you tell the answer for the 23rd question..

Asked by subbukum 12th February 2020 5:52 PM
Answered by Expert

ICSE X Mathematics Trigonometrical Identities

my doubt is regarding trigonometry

Asked by sintra16 27th February 2020 9:27 PM
Answered by Expert

ICSE X Mathematics Trigonometric Identities

Prove the following identity :- (sinA + cosecA)^2 + (cosA + secA)^2 = 5 + sec^2A * cosec^2A

Asked by nid0409 2nd March 2020 11:04 AM
Answered by Expert

ICSE X Mathematics Trigonometric Identities

.

Asked by Kanwaranita10 3rd March 2020 2:40 PM
Answered by Expert

CBSE X Mathematics Introduction to Trigonometry

Cosec(theta) - cot(theta) = alpha then cosec(theta)+ cot( alpha)=?  

Asked by raunakkarn555 6th April 2020 8:58 PM
Answered by Expert

CBSE X Mathematics Introduction to Trigonometry

prove that cos theta by 1-tan theta+sin theta by 1- cot theta equals to sin theta+ cos theta

Asked by gurunath196107 7th April 2020 4:21 PM
Answered by Expert

CBSE X Mathematics Introduction to Trigonometry

maths sums

Asked by gurvinderr043 12th April 2020 8:18 AM
Answered by Expert

JEE Main Mathematics Trigonometry

Tan a=4/3; cos (a+b)= - √5/5 ; find the value of tan (a - b) .

Asked by saikatsukai514 17th April 2020 7:41 AM
Answered by Expert

ICSE X Mathematics Trigonometrical Identities

X=asec3A, y=btan3A . Eliminate  A between the given equation  ?  

Asked by tamannasuri2996.10sdatl 4th May 2020 5:19 PM
Answered by Expert

ICSE X Mathematics Trigonometrical Identities

sec⁴A(1-sin⁴A)-2tan²A =1

Asked by jatinder324 10th May 2020 4:21 PM
Answered by Expert

CBSE X Mathematics Introduction to Trigonometry

if sin a =3/5,find cos a and tan a

Asked by Battulasirichanda 16th May 2020 3:21 PM
Answered by Expert

CBSE X Mathematics Introduction to Trigonometry

Prove that 1+sinA -cosA/cosA-1+sinA =1+sinA/cosA

Asked by firdoshisk 19th May 2020 6:22 PM
Answered by Expert

CBSE X Mathematics Introduction to Trigonometry

 Prove the following trigonometric identity Cos^2(90°-theta) +Cos^2theta=sec^2(90°-theta) -cot^2theta 

Asked by abulhussain3438 28th May 2020 8:03 AM
Answered by Expert

CBSE X Mathematics Introduction to Trigonometry

prove that sec A(1- sin A) (secA+ tan A) = 1

Asked by pandeydivyanshu42 19th June 2020 12:52 PM
Answered by Expert

CBSE X Mathematics Introduction to Trigonometry

I want answer

Asked by grisha1310cherry 21st June 2020 6:13 PM
Answered by Expert

CBSE X Mathematics Introduction to Trigonometry

I need the solution of the doubt given below

Asked by jayadevi9757 27th June 2020 10:56 AM
Answered by Expert

CBSE X Mathematics Introduction to Trigonometry

Cos2a=Sin(3a-35) 

Asked by rach4315 28th June 2020 11:28 AM
Answered by Expert

CBSE X Mathematics Introduction to Trigonometry

plz solve this question

Asked by ishangoswami006 5th July 2020 10:21 AM
Answered by Expert

CBSE X Mathematics Introduction to Trigonometry

abcd is a quadilateral prove that cos a+b / 4 = sin c+d /4

Asked by harishankarpandabrl 9th July 2020 3:37 PM
Answered by Expert

CBSE X Mathematics Introduction to Trigonometry

if sec theta+ tan theat =x , write the value of sec theta - tan theta in terms of X

Asked by sy2121426 20th July 2020 7:57 PM
Answered by Expert

CBSE X Mathematics Introduction to Trigonometry

 Prove that : √2+tan2 θ+cot2 θ=tan θ+cot θ

Asked by harshrajesh9 28th July 2020 12:52 PM
Answered by Expert

ICSE X Mathematics Trigonometrical Identities

prove that: cosA - 2cos^3A/2sin^3A - sinA = cotA

Asked by Vru23 28th July 2020 8:18 PM
Answered by Expert

ICSE X Mathematics Trigonometrical Identities

prove that: (sinA + cosecA)^2 + (cosA + secA)^2 = 7 + tan^2A + cot^2A

Asked by Vru23 28th July 2020 8:20 PM
Answered by Expert

ICSE X Mathematics Trigonometrical Identities

prove that: sin^3/cosA + sinAcosA = tanA

Asked by Vru23 28th July 2020 11:18 PM
Answered by Expert

CBSE XI Science Mathematics Trigonometric Functions

Cos5π/4-sin5π/4+tan11π/4-cot11π/4? SIn4530°? Cos (-9π/4)? Sin 120°cos 150°-cos240°sin330°? If tan35°=k then,Tan145°-Tan125°/1+Tan145°.Tan125°?

Asked by Pallapothu.a 5th August 2020 4:13 PM
Answered by Expert

CBSE X Mathematics Introduction to Trigonometry

question

Asked by arindeep.singh 20th August 2020 6:58 PM
Answered by Expert

ICSE XI Science Mathematics

Prove it

Asked by nishabr7 24th August 2020 10:49 PM
Answered by Expert

CBSE X Mathematics Introduction to Trigonometry

how to prive

Asked by farkadeamol9 28th August 2020 10:53 AM
Answered by Expert

CBSE XI Science Mathematics Trigonometric Functions

pls clear the doubt, dear sir/ madam

Asked by sachitshanchinal 2nd September 2020 2:53 PM
Answered by Expert

CBSE X Mathematics Introduction to Trigonometry

question

Asked by arindeep.singh 10th September 2020 7:04 PM
Answered by Expert

ICSE X Mathematics Trigonometrical Identities

tan^2 a - sin^2 a =

Asked by prashanshajain35 16th September 2020 2:20 PM
Answered by Expert

CBSE XI Science Mathematics Trigonometric Functions

if tan(pie/4+teta)+tan(pie/4-teta)=3

Asked by Madhavipamarthi1977 16th September 2020 8:18 PM
Answered by Expert

ICSE X Mathematics Trigonometrical Identities

Prove that √1+cosø/1 -cosø + √1-cosø/1+cosø = 2cosecø

Asked by Sujalgoyal 20th September 2020 9:30 AM
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CBSE XI Science Mathematics Trigonometric Functions

Prove that 2sin^2 y + 4cos(x + y) sinxsiny ny + cos 2 * (x + y) = cos 2x

Asked by apnp31 21st September 2020 12:19 PM
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ICSE X Mathematics Trigonometric Identities

prove that : 1-cos²ø=sin²ø

Asked by mariannepearl113 21st September 2020 2:41 PM
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ICSE X Mathematics Trigonometrical Identities

prove that 3(sinA-cosA)^⁴+6(sinA+cosA)^²+(sin^⁶A+cos^⁶A)=14

Asked by gaddamyashwanthr 21st September 2020 9:00 PM
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CBSE X Mathematics Introduction to Trigonometry

please help me to solve this problem

Asked by kalladaprem 24th September 2020 8:20 AM
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CBSE X Mathematics Introduction to Trigonometry

please help

Asked by satishcharan533 24th September 2020 2:50 PM
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CBSE XI Science Mathematics Trigonometric Functions

cos square (60-x) +cos square (60+x) belongs to

Asked by bandlapravalika4 25th September 2020 1:32 PM
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CBSE X Mathematics Introduction to Trigonometry

Show that … cosec theta minus 2sin cube theta upon 2cos cube theta minus cos theta is equals to tan theta

Asked by pramoddomarp121 26th September 2020 6:01 PM
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CBSE XI Science Mathematics Trigonometric Functions

If A+B+C=pi , then equality of equation (1/2)(cosA cosB + cosB cosC + cosC cosA) must hold: a) <= 3/2.   b) >=(-3)   c) <=3/8   d) >=(-1)  

Asked by shanujam03 3rd October 2020 8:59 PM
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