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Trigonometric Equations

CBSE X Maths 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

ICSE X Maths Trigonometrical Identities

Plz solve ques 51 urgently

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

CBSE XI Science Maths Trigonometric Functions

Kindly answer the question in detail   

Asked by Varsneya Srinivas 21st February 2018 10:49 AM
Answered by Expert

CBSE XI Science Maths Trigonometric Functions

Kindly provide the answer to this in detail   

Asked by Varsneya Srinivas 21st February 2018 10:53 AM
Answered by Expert

CBSE XI Commerce Maths

Question no. 24

Asked by Payal 22nd February 2018 10:05 AM
Answered by Expert

CBSE XI Commerce Maths

Question no. 24

Asked by Payal 22nd February 2018 10:05 AM
Answered by Expert

CBSE X Maths

asecø + btanø + c = 0 and psecø + qtanø + r = 0 Prove that : (br-qc)² - (pc-ar)² = (aq-bp)²

Asked by 1875012872798739 25th February 2018 2:13 PM
Answer Verified by Expert

CBSE X Maths

Prove that  : sin^4A+cos^A/1-2sin^2 A*cos^2 A=1

Asked by ihsanansar123 2nd March 2018 12:52 PM
Answer Verified by Expert

ICSE X Maths

Prove.

Asked by Adrija 10th March 2018 10:49 AM
Answered by Expert

ICSE X Maths

Prove.

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

JEE Plances JEE (Main) Maths

Write 10 important trigonometry equations.

Asked by reenabhartintpc001 13th March 2018 3:28 PM
Answered by Expert

JEE Plances JEE (Main) Maths

plz solve the question 

Asked by futureisbright051101 5th April 2018 5:03 AM
Answered by Expert

JEE Plances JEE (Main) Maths

Pls tell

Asked by g_archanasharma 10th April 2018 10:14 AM
Answered by Expert

CBSE XII Commerce Maths

sin inverse[sinx+cosx/root2]  

Asked by diontomy129 10th April 2018 6:56 PM
Answered by Expert

CBSE XI Science Maths

If bcos (θ+120°) = c cos (θ+240°) , then prove that (b-c)= -3 (b+c) tan θ

Asked by tps.mjmdr 16th June 2018 5:37 PM
Answered by Expert

CBSE XI Science Maths

Prove that : cot θ cot 2θ + cot 2θ cot 3θ + 2=cot θ (cot θ-cot 3θ )

Asked by tps.mjmdr 16th June 2018 8:08 PM
Answered by Expert

CBSE XI Science Maths Trigonometric Functions

Find all the integral values of K for which the equation 7cosx +5sin x =2K +1 has a solution.

Asked by tps.mjmdr 16th June 2018 8:12 PM
Answered by Expert

JEE Plances JEE (Main) Maths

Q 9( i )

Asked by pukai7229 26th June 2018 9:38 PM
Answered by Expert

JEE Plances JEE (Main) Maths

[Q.]  12 ( i )

Asked by pukai7229 26th June 2018 9:39 PM
Answered by Expert

JEE Plances JEE (Main) Maths

HOW TO DO THIS SUM ON EQATION AND SOLUTION

Asked by pukai7229 26th June 2018 9:40 PM
Answered by Expert

ICSE X Maths

PROVE THAT SinØ—CosØ+1 / SinØ+CosØ—1 = 1/ secØ—TanØ  

Asked by siddharthjaiswal1122 1st July 2018 2:52 PM
Answered by Expert

JEE Plances JEE (Main) Maths

Solve trigonometric equation: sin x + cos x = 1/(2)^1/2

Asked by hariom2083 5th July 2018 11:52 AM
Answered by Expert

JEE Plances JEE (Main) Maths

kindly solve (ref. 230)

Asked by arup.isro 11th July 2018 11:38 PM
Answered by Expert

CBSE X Maths

Prove that:

Asked by 1784393325200864 16th July 2018 6:23 AM
Answered by Expert

NEET1 NEET1 Biology

Sin2x+sin4x+sin6x=0

Asked by Anshijashaji 5th August 2018 2:32 PM
Answered by Expert

ICSE X Maths

If I tan a +m sec a=n and q tan a +r seca =j  then prove that:(nq-qn/mq-rl)^2=1+(jm-rn/mq-lr)^2

Asked by kmondaldgms 16th August 2018 11:20 AM
Answered by Expert

ICSE X Maths

if a sec theta +b tan theta +c=0 and p sec theta +qtan theta +r =0 then prove that (br-qc)^2 -(pc-ar)^2=(aq-bp)^2

Asked by kmondaldgms 17th August 2018 12:04 AM
Answered by Expert

ICSE X Maths

prove that:5 cos theta +3 cos (theta+60(degree))+3 lies between -4 and 10

Asked by kmondaldgms 19th August 2018 12:23 AM
Answered by Expert

CBSE X Maths

square root of 1 plus cos A divided by 1 minus cos A end root space equals cos e c A plus c o t A

Asked by shakshi.pole 29th September 2018 12:20 PM
Answered by Expert

CBSE X Maths

cosA - sinA+1/ cosA+sinA-1 = cosecA+ cotA Solve the above.  

Asked by roysubarna2016 2nd October 2018 11:27 AM
Answered by Expert

CBSE X

(sin70 + cos20)(sec70 + cosec20) (tan70 – cot20)  

Asked by amruta.p.1978 3rd October 2018 11:10 PM
Answered by Expert

CBSE X Maths Introduction to Trigonometry

Page 406 Qst : 30   Cos θ              +    cos θ     = 2 Cosec +1 cosec - 1  

Asked by miniprasad 23rd October 2018 9:57 PM
Answered by Expert

CBSE X Maths

SecA-1/secA+1=1-cosA/1+cosA Prove

Asked by Kshipra.nks 1st November 2018 6:16 AM
Answered by Expert

ICSE X Maths

Prove that c ot^2A -cos ^2A =cos ^2A ×cot ^2A

Asked by dantkalesamarth 22nd November 2018 10:02 PM
Answered by Expert

CBSE X Maths

if sinθ +cosθ =1,prove that cosθ -sinθ =±1

Asked by Gounshi 23rd November 2018 4:43 PM
Answered by Expert

CBSE X Maths

Prove that:{cos(90-A)*cosA/tan A +cos^2(90-A)=1

Asked by Gounshi 25th November 2018 5:28 PM
Answered by Expert

CBSE XI Science Maths Trigonometric Functions

For any real x find the minimum and maximum value for the expression 3sin^2x +3sinxcosx + 7cos^2x.

Asked by acv27joy 10th December 2018 1:10 PM
Answered by Expert

CBSE X Maths

square root of fraction numerator s e c theta minus 1 over denominator s e c theta plus 1 end fraction end root plus square root of fraction numerator s e c theta plus 1 over denominator s e c theta minus 1 end fraction end root equals 2 cos e c theta

Asked by bhattjeewanti9999 14th December 2018 11:12 AM
Answered by Expert

ICSE X Maths

1+sinA/cosecA-cotA-1-sinA/cosecA+cotA=2(1+cotA)

Asked by m_shailander 30th December 2018 12:30 PM
Answered by Expert

ICSE X Maths

If sin A-cosA= fraction numerator square root of 3 minus 1 over denominator 2 end fraction  then  find the value of the following.

a) sinA.cosA     b) sinA + cosA

Asked by sunilkumar08031999 3rd January 2019 9:39 PM
Answered by Expert

JEE Main Maths Trigonometry

Sir pls solve the following.

Asked by rsudipto 5th January 2019 9:19 AM
Answered by Expert

ICSE X Maths

1.Prove that- 1+sinx-cos×/1+sinx-cosx = 1-cos²x/1+cosx  

Asked by heenasatra17 6th January 2019 9:49 AM
Answered by Expert

ICSE IX Maths

how do u solve this  solve for x  1) 2cos (3x-15) =1 2) cos x divided  by 3 -1=0

Asked by cibysunny 9th January 2019 5:07 PM
Answered by Expert

CBSE X Maths

sina +2cosa equal to 1 then prove 2sina -cosa equal to 2  

Asked by hakushwah 13th January 2019 11:23 PM
Answered by Expert

CBSE X Maths

if sin3A=COS[A-26] WHERE 2A IS AN ACUTE ANGLES FIND THE VALUE OF A.  

Asked by ABHILASHA 15th January 2019 3:05 PM
Answered by Expert

CBSE X Maths

Sin a+sin^2a=1 then cos^2a+cos^4a=  

Asked by anilavthomas 16th January 2019 9:31 PM
Answered by Expert

ICSE X Maths

prove.

Asked by shreyashichaudhary012 17th January 2019 10:47 PM
Answered by Expert

CBSE X Maths

find the value of cos15. cos16. cos17. ....................cos74. cos75

Asked by saransh.gupta27 18th January 2019 1:08 AM
Answered by Expert

JEE Main Maths

10th

Asked by Xvirat1 19th January 2019 11:27 AM
Answered by Expert

CBSE X Maths

If √2 sin x^2 - 1= 0, find the value of x.

Asked by Nimmi 19th January 2019 4:52 PM
Answered by Expert

CBSE X Maths

Root2 Sin x/2 -1=0, find the value of x

Asked by Nimmi 19th January 2019 7:31 PM
Answered by Expert

ICSE X Maths

eliminate A if  tan A+sin A=m tan A-sin A=n

Asked by shivasanthosh0804 23rd January 2019 6:20 PM
Answered by Expert

CBSE XII Science Maths

       I f space a comma b comma c space a r e space s u c h space t h a t space a plus b plus c equals 0 space t h e n space p r o v e space
open vertical bar table row 1 cell cos c end cell cell cos b end cell row cell cos c end cell 1 cell cos a end cell row cell cos b end cell cell cos a end cell 1 end table close vertical bar=0

Asked by Eng.surinder.singh 27th January 2019 7:49 PM
Answered by Expert

JEE Main Maths

If tan3A=3tan A +k tan^3A/1-3tan^2A,then k is equal to 

Asked by azizrajil03 30th January 2019 7:13 AM
Answered by Expert

CBSE X

if sinØ(sinØ-tanØ) + cosØ(cosØ-secØ) = 1+secØcosecØ

Asked by amitkhatua51 5th February 2019 8:56 AM
Answered by Expert

ICSE IX Maths

Please solve these questions.

Asked by Kanwaranita10 6th February 2019 9:41 PM
Answered by Expert

CBSE X Maths

xsin 3+ycos 3θ=sinθcosθ.   Xcosθ=ysinθ.  Show that x2 +y2=1  

Asked by drindhusrmc 10th February 2019 8:18 AM
Answered by Expert

CBSE X Maths

secA = x+1/4x, prove that secA + tanA = 2x or 1/2x.

Asked by sangobhattad 14th February 2019 6:18 PM
Answered by Expert

CBSE X Maths

prove that: sinA-cosA+1/sinA+cosA-1=1/secA-tanA  

Asked by banerjee_milky 16th February 2019 11:23 AM
Answered by Expert

JEE Foundation X Maths

Pic mai h sirji

Asked by nandrammeena2 20th February 2019 10:08 PM
Answered by Expert

CBSE X Maths

if sin theta = cos theta then find the value of  cot theta - 2 sin square theta

Asked by chintalarakeshyadav 23rd February 2019 1:19 PM
Answered by Expert

CBSE X Maths

Please prove A = B.

Asked by malaysaha.80 23rd February 2019 10:20 PM
Answered by Expert

CBSE X Maths

secØ +tanØ=p then find the value of cosecØ in terms of p

Asked by ashuganjoo55 25th February 2019 12:32 AM
Answered by Expert

CBSE X Chemistry

prove that -1+ sin theta sin theta(90-theta) / cot(90-theta) = - sin theta

Asked by hasinaumar 25th February 2019 7:18 PM
Answered by Expert

CBSE X Maths

{SinA/1+cosA +1+CosA/sinA} {cosA/1+sinA + 1+sinA/cosA}=4 secA.cosecA

Asked by Sharan9958 26th February 2019 7:41 AM
Answered by Expert

CBSE X Maths

sir can you please answer the question

Asked by chintalarakeshyadav 26th February 2019 4:40 PM
Answered by Expert

CBSE X Maths

cos^4Ø/cos^2ø +sin^4Ø/sin^2ø =1  Prove that cos^4ø/cos^2Ø + sin^4ø/sin^2Ø =1

Asked by guptaabhinav0809 28th February 2019 12:57 AM
Answered by Expert

CBSE X Maths

Prove that Sin theta(1+tan theta) +cos theta(1+cos theta)=sec theta + cosec yheta

Asked by Nimmi 28th February 2019 1:05 AM
Answered by Expert

JEE Main Maths

If A+B+C=180°, then prove that tan^2theta/2=tanB/2tanC/2, when costheta(sinB+sinC)=sinA

Asked by azizrajil03 1st March 2019 6:26 AM
Answered by Expert

CBSE X Maths

1+(1-tan theta/1-cot theta)^2=sec^2

Asked by devanshbajpai078 3rd March 2019 7:53 AM
Answered by Expert

CBSE X Maths

Please prove it.

Asked by malaysaha.80 3rd March 2019 7:47 PM
Answered by Expert

CBSE X Maths

If x.cosA/a + ysinA/b = 1 and x.sinA/a - y.cosA/b = 1,prove that x^2/a^2 + y^2/b^2 =2.

Asked by hsradha75 3rd March 2019 9:29 PM
Answered by Expert

JEE Main Maths

Solve the question in photo...

Asked by Vidushi412 31st March 2019 9:10 PM
Answered by Expert

ICSE X Maths Trigonometric Ratios of Complementary Angles

tan A + sec A -1 / tan A - sec A +1 = 1+ sinA / cos A     

Asked by heermurjani 5th April 2019 4:32 PM
Answered by Expert

ICSE X Maths Trigonometric Identities

Tan²A—Tan²B=(sin²A—sin²B)  ÷cos²A×cos²B

Asked by Mmanjima7 25th April 2019 12:11 PM
Answered by Expert

CBSE XI Science Maths Trigonometric Functions

Cot 4x (sin5x + sin3x)= cot x (sin5x - sin3x)

Asked by Iamanish2003 20th May 2019 2:12 PM
Answered by Expert

CBSE X Maths Introduction to Trigonometry

Find the value of sin 31π/3

Asked by Shikhasaxena523 27th May 2019 3:39 PM
Answered by Expert

CBSE XI Science Maths Trigonometric Functions

a+b=3-cos4x and a-b=4sin2x, then ab is always less or equal to?  

Asked by aahnik.mohanty 29th May 2019 7:58 PM
Answered by Expert

CBSE XI Science Maths Trigonometric Functions

tan x =n tan y n belongs to R+ then maximum value of sec^2(x-y)=(n+1)^2/4n  

Asked by aahnik.mohanty 29th May 2019 8:04 PM
Answered by Expert

CBSE XI Science Maths Trigonometric Functions

Pls solve.

Asked by pb_ckt 11th June 2019 3:34 PM
Answered by Expert

CBSE XI Science Maths Trigonometric Functions

Pls solve.

Asked by pb_ckt 11th June 2019 3:34 PM
Answered by Expert

CBSE XI Science Maths Trigonometric Functions

Pls solve.

Asked by pb_ckt 12th June 2019 2:48 PM
Answered by Expert

CBSE XI Science Maths Trigonometric Functions

pls solve

Asked by pb_ckt 14th June 2019 11:19 PM
Answered by Expert

CBSE XI Science Maths Trigonometric Functions

sinx=1/2  then find the value of cosx

Asked by md.ameenkhan9292 29th June 2019 6:07 PM
Answered by Expert

CBSE X Maths Introduction to Trigonometry

Tan square A/tan square A-1+Cosec square A/sec square A-Cosec square A=1/1-2 cos square A

Asked by bindu_jayk 15th August 2019 11:45 AM
Answered by Expert

CBSE XI Science Maths Trigonometric Functions

Trigonmetric

Asked by Ratanswain752 16th August 2019 9:14 PM
Answered by Expert

CBSE XII Science Physics Electric Charges and Fields

What will be the solution of Sin(3x) = 1/2 in the interval (pi, 2pi)

Asked by anushankdagar95 23rd October 2019 8:55 AM
Answered by Expert

CBSE X Maths Introduction to Trigonometry

f x = a cos theta -b sin theta and y = a sin theta + b cos theta then prove that a square+b square = x square+y square   

Asked by melmerisb 7th December 2019 12:38 AM
Answered by Expert

ICSE IX Maths Trigonometry

2cos²Ø+sinØ-2=0 find value of Ø

Asked by gogobarcasajal 7th December 2019 11:00 AM
Answered by Expert

CBSE X Maths Introduction to Trigonometry

Proove that (CotA+CosecA-1)/(CotA-CosecA+1) = (1+CosA)/SinA

Asked by kssvsv2011 9th May 2020 8:44 PM
Answered by Expert

ICSE X Maths Trigonometrical Identities

cotA+cosecA-1/cotA-cosecA+1=1+cosA/sinA.prove it.

Asked by engtalukdardubey 9th June 2020 5:32 PM
Answered by Expert

ICSE X Maths Trigonometric Identities

prove that: 1+cosecA+cotA=2/1+tanA-secA

Asked by saumitachaudhuri120 17th July 2020 8:41 PM
Answered by Expert

ICSE X Maths Trigonometrical Identities

Question 6th

Asked by shivanisethi255 18th July 2020 5:30 PM
Answered by Expert

JEE Main Maths Trigonometry

xcostheta/a +ysintheta/b=1, ax/costheta-by/sintheta =a^2-b^2, then prove that x^2/a^2 +y^2/b^2 =1

Asked by tarunkumardas32 13th August 2020 9:13 AM
Answered by Expert

CBSE X Maths Introduction to Trigonometry

if cos (40°-X)=30sin find the value of X

Asked by lavanyasureshkumar 24th August 2020 4:02 PM
Answered by Expert

ICSE X Maths Trigonometrical Identities

tan2-sin2=tan2.sin2

Asked by afaizaali293 25th October 2020 11:39 AM
Answered by Expert

CBSE XI Science Maths Trigonometric Functions

cos^2 5@+ cos^2 10@+cos^2 15@...........+cos^2 180@

Asked by vermahiteshi243 30th August 2021 9:53 AM
Answered by Expert

JEE Main Maths Trigonometry

let f(theta)=[1+(4sintheta/sin6theta)] [1+(4sin2theta/sin5theta)]

Asked by digbijaybehera008 15th September 2021 9:15 AM
Answered by Expert

JEE Main Maths Trigonometry

cos x=-1/2,x lies in which quadrant

Asked by antarshekhawat18 25th May 2022 10:32 AM
Answered by Expert

ICSE X Maths Trigonometrical Identities

please help me to answer the question

Asked by rashikulkarni28 8th June 2022 3:14 PM
Answered by Expert

CBSE X Maths Introduction to Trigonometry

I can't understand

Asked by barbysingh2006 30th December 2022 8:41 PM
Answered by Expert

CBSE X Maths Quadratic Equations

hi

Asked by chaudahryanshika 3rd January 2023 10:04 AM
Answered by Expert

CBSE X Maths Introduction to Trigonometry

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

Asked by skailas803 5th January 2023 11:37 PM
Answered by Expert

JEE Main Maths Trigonometry

applied mathematics

Asked by pardeepsinghkarn412 17th January 2023 5:23 AM
Answered by Expert

CBSE XI Science Maths Trigonometric Functions

Sin(x)/√2+cos(x)/√2=√3/2

Asked by 069.pks 16th September 2023 10:06 AM
Answered by Expert

CBSE XII Science Maths Inverse Trigonometric Functions

if sin x+2cos x=1 then find Tha value of 2sin x - cosx

Asked by gopalkumarrai87 11th October 2023 11:02 AM
Answered by Expert

ICSE X Maths Trigonometric Identities

Please solve this

Asked by shethdhanesh 23rd October 2023 5:49 PM
Answered by Expert

ICSE X Maths Trigonometric Identities

please solve this

Asked by shethdhanesh 24th October 2023 10:41 AM
Answered by Expert

CBSE IX Maths

doubt

Asked by srianshgaming09 13th November 2023 9:02 AM
Answered by Expert

NEET NEET Physics

if sin theta = 1/2 find value of cos theta

Asked by harshitesahu 18th November 2023 11:46 AM
Answered by Expert

ICSE X Maths Trigonometric Identities

tell me answer

Asked by ketanpatil168262884377 28th November 2023 5:37 PM
Answered by Expert

ICSE IX Maths Trigonometry

value of 4/cos⁴A-sin⁴A+1

Asked by bhuvanajajimoggala0 16th December 2023 5:45 AM
Answered by Expert

ICSE IX Maths Trigonometry

cos18-sin18

Asked by bhuvanajajimoggala0 20th December 2023 6:41 PM
Answered by Expert

CBSE XI Science Maths Trigonometric Functions

if cot 4θ+cot2θ=1 prove that sin4θ+ sin2θ =1

Asked by bimanmandal53361 15th January 2024 12:32 AM
Answered by Expert

CBSE X Maths Introduction to Trigonometry

prove thar tan a-sin a/tan a+Sina, = sec a-1/sec A+1

Asked by balu162 16th January 2024 7:10 AM
Answered by Expert

JEE Main Maths Trigonometry

sin^4pi/8+cos4pi/8+sin^4 3pi/8+cos^4 3pi/8+sin^4 5pi/8+cos^4 5pi/8 + sin^4 7pi/8+cos^4 7pi/8

Asked by chinnagallakumaraswamy03 23rd January 2024 9:39 PM
Answered by Expert

CBSE XII Science Maths

if f(x)=tanx then prove that f(2x)=2f(x)/1-f(x)²

Asked by maulshp119 24th January 2024 9:45 AM
Answered by Expert

CBSE X Maths Introduction to Trigonometry

solution

Asked by pankajmali55 25th January 2024 7:51 PM
Answered by Expert

JEE Main Maths Trigonometry

sin 78 degree-sin66degre-sin 42degree+sin6degree

Asked by amitras0003 26th January 2024 6:53 AM
Answered by Expert

CBSE XII Science Maths Inverse Trigonometric Functions

solve it

Asked by sahrudadayajena 27th January 2024 9:11 PM
Answered by Expert

CBSE X Maths Introduction to Trigonometry

find the value of cos20 if 2sin20 is root 3

Asked by gauravgupta.20008 3rd February 2024 5:36 PM
Answered by Expert

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