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Trigonometric Ratios

CBSE X Mathematics Some Applications of Trigonometry

angle

Asked by 12th February 2009 9:39 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
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CBSE X Mathematics Introduction to Trigonometry

If sec A=17/8 , show that 3-4 sin ²A/4 cos² A - 3 = 3- tan² A /1-3 tan² A. 

Asked by pdcavita 18th November 2017 12:56 PM
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CBSE X Mathematics Introduction to Trigonometry

Evaluate sec² (90°-Φ) - cot²Φ / 2 (sin²25° + sin²65°)

Asked by pdcavita 18th November 2017 1:07 PM
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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
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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
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Gujarat - Gujarati Medium IX ALL Subject ત્રિકોણ

QID : 65 - In a triangle the length of the side opposite the right angle is 9√3 cm, what is the length of the side opposite to the angle which measures 30 degree?

Asked by aryap7964 6th December 2017 3:57 PM
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CBSE IX Mathematics Triangles

Please solve question no. 60

Asked by vikasg13.hardware 29th December 2017 11:28 AM
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JEE Plances JEE (Main) Mathematics

if a=secA-tanA , b=cosecA+cotA then a= interms of b

Asked by bugadasuvarna 4th January 2018 9:16 PM
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CBSE X Mathematics Introduction to Trigonometry

if cot theta= 1/ root 3, show that 1-cos square theta/ 2- sin square theta = 3/5.

Asked by sanyam 5th January 2018 1:17 PM
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CBSE X Mathematics Introduction to Trigonometry

Answer the following

Asked by tultuldutta58 8th January 2018 3:20 AM
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ICSE X Mathematics Trigonometrical Identities

Plz solve ques 51 urgently

Asked by lovemaan5500 14th January 2018 2:18 PM
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CBSE X Mathematics Introduction to Trigonometry

oemetricaly derive the value of sin 30

Asked by amolshukal.2001 31st January 2018 8:47 AM
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CBSE X Mathematics Introduction to Trigonometry

Geometrical derive the value of sin zero

Asked by amolshukal.2001 31st January 2018 8:53 AM
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CBSE XI Science Mathematics Trigonometric Functions

If secx+tanx=4 ,find the value of sinx ,cosx, secx and tanx?

Asked by hemanttkumarr 31st January 2018 9:30 AM
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CBSE X Mathematics Introduction to Trigonometry

geometricaly derive the value of  sin 45

Asked by amolshukal.2001 1st February 2018 9:28 PM
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CBSE X Mathematics Introduction to Trigonometry

Sin square 5 plus sin square 10 plus....plus sin square 85 plus cos square 45

Asked by Interfacesystems2 1st February 2018 9:33 PM
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ICSE X Mathematics Trigonometrical Identities

Plz answer 1 part

Asked by lovemaan5500 4th February 2018 5:37 PM
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ICSE X Mathematics Trigonometrical Identities

Plz.answer 2nd part

Asked by lovemaan5500 4th February 2018 5:38 PM
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ICSE X Mathematics

Cos2A+tan2A-1/sin2A=tan2A

Asked by vaibhav 5th February 2018 11:04 AM
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CBSE X Mathematics

cotØ+tanø=7 find cot2ø+tan2ø???  

Asked by tluser1 6th February 2018 1:26 PM
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ICSE IX Mathematics

5 sin^2s+4 cos^2s=2/9, find tan s  

Asked by Swapan 14th February 2018 2:26 PM
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CBSE X Mathematics Introduction to Trigonometry

state true or false  please explain the answer  

Asked by gpnkumar0 15th February 2018 10:00 PM
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CBSE X Mathematics

state true  or false please explain the answer

Asked by gpnkumar0 15th February 2018 10:01 PM
Answer Verified by Expert

CBSE X Mathematics Introduction to Trigonometry

state true or false  please explain the answer

Asked by gpnkumar0 15th February 2018 10:02 PM
Answered by Expert

ICSE X Mathematics Trigonometric Ratios of Complementary Angles

If cosec theta . cos( theta + 54) = 1, find the value of theta so that theta and (theta + 54) are acute angles.

Asked by bdroy_2014 16th February 2018 7:54 PM
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ICSE IX Mathematics Trigonometry

In triangle ABC, AD is perpendicular to BC. Sin B = 0.8 , BD = 9 cm and tan C = 1. Find the length of AB , AD , AC and DC .  

Asked by sactalkmail 19th February 2018 6:45 PM
Answered by Expert

CBSE X Mathematics Introduction to Trigonometry

cos58/sin32+sin22/cos68-cos38cosec52/tan18 tan35 tan60 tan72 tan55  

Asked by delphinjayaprakash 21st February 2018 8:09 PM
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ICSE X Mathematics

(sin A - cos A +1)/ ( sin A + cosA -1)= 1/( sec A - tanA)

Asked by bdroy_2014 24th February 2018 12:48 PM
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ICSE X Mathematics

PROVE THAT: cot A + cosec A - 1/cot A - cosec A +1 = 1 + cos A/sinA

Asked by nethra 24th February 2018 9:44 PM
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CBSE X Mathematics Introduction to Trigonometry

In a right angle traingle right angled at A if tanC=square root of 3 then find sinBcosC+cosBsinC

Asked by arvindsahadevadharwad 26th February 2018 2:16 PM
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CBSE X Mathematics Introduction to Trigonometry

Please solve this .

Asked by agarwalaayush 26th February 2018 6:37 PM
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CBSE X Mathematics Introduction to Trigonometry

Sir/mam Please solve Question 21

Asked by Vivek.d8765 27th February 2018 4:37 PM
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CBSE X Mathematics

  In ABC,mB=90°,AB=7cm and AC-BC=1cm.Determine the values of sinB and cosB.

Asked by sibaramamohanty 2nd March 2018 8:12 AM
Answered by Expert

CBSE X Mathematics

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

CBSE X Mathematics Introduction to Trigonometry

If cosØ = √(4 – x2)/2 find the values of  1)  secø.tanø 2) cosecø.cotø

Asked by gpnkumar0 4th March 2018 8:40 PM
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ICSE X Mathematics

Prove.

Asked by Adrija 10th March 2018 10:55 AM
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CBSE X Mathematics Introduction to Trigonometry

pls explain

Asked by gpnkumar0 25th March 2018 10:00 PM
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CBSE X Mathematics Introduction to Trigonometry

pls explain

Asked by gpnkumar0 25th March 2018 10:01 PM
Answered by Expert

CBSE X Mathematics Introduction to Trigonometry

pls explain

Asked by gpnkumar0 25th March 2018 10:02 PM
Answered by Expert

ICSE X Mathematics

Prove that cosAcotA/(1-sinA)=1+cosecA

Asked by Sunita 31st March 2018 8:18 AM
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ICSE X Mathematics

If secA+tanA=p Prove sinA=p^2-1/(p^2+1)

Asked by Sunita 6th April 2018 7:46 PM
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ICSE X Mathematics

Prove (SecA-cosecA)(1+tanA+cotA)=tanAsecA-cotAcosecA

Asked by Sunita 6th April 2018 7:50 PM
Answered by Expert

CBSE XII Science Mathematics

Lim x->0 (tan x- sin x)/x^3=? Can you explain this question  in shortcut way?

Asked by Ravikumar 20th April 2018 9:30 PM
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CBSE X Mathematics Introduction to Trigonometry

A+B = pi/2 and B+C =A. Find tanA

Asked by acv27joy 23rd April 2018 6:13 AM
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ICSE X Mathematics

Tan^2A+tan^2B=(sin^2A-sin^2B)/cos^2A-cos^2B   Prove 

Asked by Sunita 3rd June 2018 2:09 PM
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ICSE XI Science Mathematics

Prove that : Sec^6x-tan^6x= 1+3tan^2x+ 3tan^4x  

Asked by siddharthlathia0 10th June 2018 6:55 AM
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ICSE X Mathematics

If cos A =4/5 find Sin A , Tan A , Cot A

Asked by dhruvyup 13th June 2018 6:40 PM
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CBSE XI Science Mathematics

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
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JEE Plances JEE (Main) Mathematics

Q 9( i )

Asked by pukai7229 26th June 2018 9:38 PM
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JEE Plances JEE (Main) Mathematics

[Q.]  12 ( i )

Asked by pukai7229 26th June 2018 9:39 PM
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JEE Plances JEE (Main) Mathematics

HOW TO DO THIS SUM ON EQATION AND SOLUTION

Asked by pukai7229 26th June 2018 9:40 PM
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ICSE X Mathematics

How to solve sum iv) ??

Asked by Shreyas 29th June 2018 8:54 PM
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CBSE X Mathematics

Please solve this question 

Asked by vikasg13.hardware 30th June 2018 6:55 AM
Answered by Expert

JEE Plances JEE (Main) Mathematics

Solve it.

Asked by sakshisingh3124 30th June 2018 9:35 PM
Answered by Expert

JEE Plances JEE (Main) Mathematics

Solve it.

Asked by sakshisingh3124 30th June 2018 9:36 PM
Answered by Expert

JEE Plances JEE (Main) Mathematics

Q 14 pls

Asked by Tanishq 1st July 2018 2:47 PM
Answered by Expert

ICSE X Mathematics

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

Asked by siddharthjaiswal1122 1st July 2018 2:52 PM
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CBSE XI Science Mathematics

Prove that: tan A + se A - 1/ tan A - sec A + 1= 1 + sin A/ cos A

Asked by hariom2083 5th July 2018 12:18 AM
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CBSE XI Science Mathematics Trigonometric Functions

in a right angled triangle the hypotenuse is 2root2 times the perpendicular drawn from  the opposite vertex then then other acute angles of triangle are   

Asked by gargpuneet989 10th July 2018 6:28 PM
Answered by Expert

JEE Plances JEE (Main) Mathematics

Prove that

Asked by Anish 11th July 2018 1:35 PM
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CBSE X Mathematics

Q.3

Asked by 1784393325200864 12th July 2018 3:53 PM
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CBSE X Mathematics

Q4

Asked by 1784393325200864 12th July 2018 4:01 PM
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CBSE XI Science Mathematics

(cos x - cos y)^2 + (sin x - sin y)^2 = 4sin^2 (x-y)/2

Asked by rtortechger.official 12th July 2018 7:36 PM
Answered by Expert

CBSE X Mathematics

Prove that:

Asked by 1784393325200864 16th July 2018 6:23 AM
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CBSE IX Mathematics

pls fast

Asked by pnthisdp33 25th July 2018 7:21 PM
Answered by Expert

ICSE IX Mathematics

For an angle theta ,state the value of sin^2theta + cos^2theta

Asked by prarenupall8070 30th July 2018 7:55 PM
Answered by Expert

ICSE X Mathematics

Chapter 21 trigonmetrical identities

Asked by Ahman 3rd August 2018 11:41 AM
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CBSE XI Science Mathematics Straight Lines

17th?

Asked by smanishkumar2002 4th August 2018 8:34 PM
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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

CBSE X Mathematics

cosec square theta ×1+cos theta×1-cos theta equal to x find the value of x

Asked by dronsharma798 13th August 2018 10:15 PM
Answered by Expert

CBSE XII Science Mathematics

find dy/dx when x = a(cos thita + thita sin thita) y = a(sin thita – thita cos thita) explain in great detail

Asked by haroonrashidgkp 15th August 2018 8:34 PM
Answered by Expert

ICSE X Mathematics

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 Mathematics

If a and b are acute angles such that tan a =1/2,tan b=1/3 and tan(a+b)=tan a +tan b/1-tana*tanb then find tan(a+b)

Asked by kmondaldgms 17th August 2018 12:03 AM
Answered by Expert

ICSE X Mathematics

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 Mathematics

If sin x +sin^2 x=1 then find the value of cos^8 x +2cos^6 x+cos^4 x (INDEX;^2 : means to the power of)

Asked by keshavendu35 17th August 2018 12:08 AM
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ICSE X Mathematics

PROVE THAT: cos6x=32cos^6 x-48cos^4 x +18cos^2 x -1

Asked by keshavendu35 17th August 2018 12:09 AM
Answered by Expert

ICSE X Mathematics

if cosec^2 theta = 4xy/(x+y)^2; then find the relation between x and y

Asked by kmondaldgms 19th August 2018 12:26 AM
Answered by Expert

JEE Plances JEE (Main) Mathematics

Is cos(|sin x|÷x) not defined at x=0?  

Asked by jaychandran1967 21st August 2018 6:20 PM
Answered by Expert

CBSE XI Science Mathematics

tanA+tanB+tanC=6 cotA+cotB+cotC=?

Asked by dineshchem108 23rd August 2018 10:01 PM
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ICSE X Mathematics

Please tell me

Asked by siddharthjaiswal1122 25th August 2018 6:32 PM
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CBSE XII Science Mathematics

If y = ex sin x , prove that d2y/dx2 – 2 dy/dx  + 2y = 0 Explain in great detail

Asked by haroonrashidgkp 25th August 2018 7:07 PM
Answered by Expert

CBSE XII Science Mathematics

If y = sin x and x changes from pie/2  to 22/14, what is the approximate change in y ? Explain in great detail

Asked by haroonrashidgkp 22nd September 2018 3:58 PM
Answered by Expert

CBSE X Mathematics

Will I get marks if I shifted the terms cosec^2 theta and cot^2theta in the below mentioned question?👇    

Asked by guptaabhinav0809 25th September 2018 8:41 PM
Answered by Expert

CBSE X Mathematics

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 Mathematics

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

ICSE IX Mathematics

Please prove this question.

Asked by Mohammed 12th October 2018 10:30 AM
Answered by Expert

ICSE X Mathematics Trigonometrical Identities

prove that if secA +tanA =a ,then prove that a^2-1/a^2+1=sinA  

Asked by Gopalsagar6176 15th October 2018 12:49 PM
Answered by Expert

CBSE XI Commerce Mathematics

what are the easiest ways to solve trigo questions   

Asked by hembiyani 18th October 2018 11:57 AM
Answered by Expert

CBSE X Mathematics

please help

Asked by krishdabhoya2003 21st October 2018 3:42 PM
Answered by Expert

CBSE X Mathematics Introduction to Trigonometry

Page 377 Ex 6 If ∠A and ∠B are acute angles such that cosA=cosB, then show that ∠A = ∠ B.

Asked by miniprasad 23rd October 2018 9:53 PM
Answered by Expert

CBSE X Mathematics 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
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CBSE X Mathematics Introduction to Trigonometry

Page 410 Qstn 31 Cos4 θ – sin4θ =

Asked by miniprasad 23rd October 2018 9:58 PM
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ICSE X Mathematics

Prove that  (tanA+secA) - (secA+tanA)(secA-tanA) = (tanA+secA)(1-secA+tanA)

Asked by sunilvakkat 25th October 2018 2:47 PM
Answered by Expert

CBSE XI Science Mathematics Trigonometric Functions

Solve for x  3tanx + cotx = 5cosecx  

Asked by dssinghania1234 27th October 2018 10:20 AM
Answered by Expert

ICSE IX Mathematics

Tan18.tan23.cosec square 45.tan67.tan72 evaluate

Asked by Savipramod 29th October 2018 12:46 AM
Answered by Expert

CBSE X Mathematics

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

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

CBSE X

sin45/coesc60+sec60

Asked by Nisarg 2nd November 2018 5:20 PM
Answered by Expert

ICSE X Mathematics

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

Asked by jaiswalsindhuli717 7th November 2018 10:23 AM
Answered by Expert

ICSE X Mathematics Trigonometrical Identities

prove:(sinø+secø)2+(cosø+cosecø)2=(1+secø.cosecø)

Asked by praveen.ujjwal 12th November 2018 9:15 PM
Answered by Expert

CBSE X Mathematics Introduction to Trigonometry

Asked by Gounshi 14th November 2018 4:02 PM
Answered by Expert

CBSE X Mathematics

Evaluate the term cosec 60 degree.

Asked by chorghadeshekhar 18th November 2018 8:28 PM
Answered by Expert

CBSE X Mathematics Introduction to Trigonometry

Find all trigonometric ratio for the angle 30 geometrically. 

Asked by guptaabhinav0809 19th November 2018 10:33 PM
Answered by Expert

CBSE XI Science Mathematics

If p and q are two non zero unequal real numbers show that sin theta can never be equal to p2+q2/2pq

Asked by rushabh1234 20th November 2018 11:22 AM
Answered by Expert

CBSE XI Science Mathematics

If a and b are two non zero unequal real numbers show that sec theta=             2rootab/a+b  is impossible

Asked by rushabh1234 20th November 2018 11:24 AM
Answered by Expert

ICSE X Mathematics

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

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

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