### ICSE X Mathematics Trigonometrical Identities

## Plz solve ques 51 urgently

**lovemaan5500**14th January 2018 2:18 PM

### CBSE XI Science Mathematics Trigonometric Functions

## Kindly answer the question in detail

**Varsneya Srinivas**21st February 2018 10:49 AM

### CBSE XI Science Mathematics Trigonometric Functions

## Kindly provide the answer to this in detail

**Varsneya Srinivas**21st February 2018 10:53 AM

### CBSE XI Commerce Mathematics

## Question no. 24

**Payal**22nd February 2018 10:05 AM

### CBSE XI Commerce Mathematics

## Question no. 24

**Payal**22nd February 2018 10:05 AM

### CBSE X Mathematics

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

**1875012872798739**25th February 2018 2:13 PM

### CBSE X Mathematics

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

**ihsanansar123**2nd March 2018 12:52 PM

### JEE Plances JEE (Main) Mathematics

## Write 10 important trigonometry equations.

**reenabhartintpc001**13th March 2018 3:28 PM

### JEE Plances JEE (Main) Mathematics

## plz solve the question

**futureisbright051101**5th April 2018 5:03 AM

### JEE Plances JEE (Main) Mathematics

## Pls tell

**g_archanasharma**10th April 2018 10:14 AM

### CBSE XII Commerce Mathematics

## sin inverse[sinx+cosx/root2]

**diontomy129**10th April 2018 6:56 PM

### CBSE XI Commerce Mathematics

## sir, i am not able to understand principal solution of trigonometric function. so please sir tell me some easy way to understand that topic. or please made some easy video to understand that topic.

**deepakagarwal1024**7th June 2018 8:28 PM

### CBSE XI Science Mathematics

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

**tps.mjmdr**16th June 2018 5:37 PM

### CBSE XI Science Mathematics

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

**tps.mjmdr**16th June 2018 8:08 PM

### CBSE XI Science Mathematics Trigonometric Functions

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

**tps.mjmdr**16th June 2018 8:12 PM

### JEE Plances JEE (Main) Mathematics

## Q 9( i )

**pukai7229**26th June 2018 9:38 PM

### JEE Plances JEE (Main) Mathematics

## [Q.] 12 ( i )

**pukai7229**26th June 2018 9:39 PM

### JEE Plances JEE (Main) Mathematics

## HOW TO DO THIS SUM ON EQATION AND SOLUTION

**pukai7229**26th June 2018 9:40 PM

### ICSE X Mathematics

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

**siddharthjaiswal1122**1st July 2018 2:52 PM

### JEE Plances JEE (Main) Mathematics

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

**hariom2083**5th July 2018 11:52 AM

### JEE Plances JEE (Main) Mathematics

## kindly solve (ref. 230)

**arup.isro**11th July 2018 11:38 PM

### NEET1 NEET1 Biology

## Sin2x+sin4x+sin6x=0

**Anshijashaji**5th August 2018 2:32 PM

### 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

**kmondaldgms**16th August 2018 11:20 AM

### 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

**kmondaldgms**17th August 2018 12:04 AM

### ICSE X Mathematics

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

**kmondaldgms**19th August 2018 12:23 AM

### CBSE IX Mathematics

## can you say the answer for my holiday assignment .i can't find the answer can someone help me trignomentry-uses ratios ,special angles and identities

**SriVaishnavi**2nd October 2018 9:30 AM

### CBSE X Mathematics

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

**roysubarna2016**2nd October 2018 11:27 AM

### CBSE X

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

**amruta.p.1978**3rd October 2018 11:10 PM

### CBSE X Mathematics Introduction to Trigonometry

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

**miniprasad**23rd October 2018 9:57 PM

### CBSE X Mathematics

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

**Kshipra.nks**1st November 2018 6:16 AM

### ICSE X Mathematics

## The shadow of a vertical tower on a level ground increasesby 10m when the altitude of the sun changes from 45 degree to 30 degree. Find the height of tne tower, correct to two decimal places.

**jaiswalsindhuli717**9th November 2018 7:48 PM

### ICSE X Mathematics

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

**dantkalesamarth**22nd November 2018 10:02 PM

### CBSE X Mathematics

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

**Gounshi**23rd November 2018 4:43 PM

### CBSE X Mathematics

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

**Gounshi**25th November 2018 5:28 PM

### CBSE XI Science Mathematics Trigonometric Functions

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

**acv27joy**10th December 2018 1:10 PM

### CBSE X Mathematics

## Q27. If sec ϴ + tan ϴ = x, show that sin ϴ = I haven't understand the solution of this question.Will u please explain me

**shivkant.928**21st December 2018 11:19 PM

### ICSE X Mathematics

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

**m_shailander**30th December 2018 12:30 PM

### ICSE X Mathematics

## If sin A-cosA= then find the value of the following.

a) sinA.cosA b) sinA + cosA

**sunilkumar08031999**3rd January 2019 9:39 PM

### IIT JEE Main Mathematics Trigonometry

## Sir pls solve the following.

**rsudipto**5th January 2019 9:19 AM

### ICSE X Mathematics

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

**heenasatra17**6th January 2019 9:49 AM

### ICSE IX Mathematics

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

**cibysunny**9th January 2019 5:07 PM

### CBSE X Mathematics

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

**hakushwah**13th January 2019 11:23 PM

### CBSE X Mathematics

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

**ABHILASHA**15th January 2019 3:05 PM

### CBSE X Mathematics

## Sin a+sin^2a=1 then cos^2a+cos^4a=

**anilavthomas**16th January 2019 9:31 PM

### ICSE X Mathematics

## prove.

**shreyashichaudhary012**17th January 2019 10:47 PM

### CBSE X Mathematics

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

**saransh.gupta27**18th January 2019 1:08 AM

### CBSE X Mathematics

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

**Nimmi**19th January 2019 4:52 PM

### CBSE X Mathematics

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

**Nimmi**19th January 2019 7:31 PM

### ICSE X Mathematics

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

**shivasanthosh0804**23rd January 2019 6:20 PM

### CBSE XII Science Mathematics

## =0

**Eng.surinder.singh**27th January 2019 7:49 PM

### IIT JEE Main Mathematics

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

**azizrajil03**30th January 2019 7:13 AM

### CBSE X

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

**amitkhatua51**5th February 2019 8:56 AM

### ICSE IX Mathematics

## Please solve these questions.

**Kanwaranita10**6th February 2019 9:41 PM

### CBSE X Mathematics

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

**drindhusrmc**10th February 2019 8:18 AM

### CBSE X Mathematics

## If a secA + b tanA+ c =0 and psecA+qsecA+r=0 prove that (br-qc)^2-(pc-ar)^2=(aq-bp)^2 Please answer in a simple way

**guptaabhinav0809**10th February 2019 11:51 PM

### CBSE X Mathematics

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

**sangobhattad**14th February 2019 6:18 PM

### CBSE X Mathematics

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

**banerjee_milky**16th February 2019 11:23 AM

### JEE Foundation X Mathematics

## Pic mai h sirji

**nandrammeena2**20th February 2019 10:08 PM

### CBSE X Mathematics

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

**chintalarakeshyadav**23rd February 2019 1:19 PM

### CBSE X Mathematics

## Please prove A = B.

**malaysaha.80**23rd February 2019 10:20 PM

### CBSE X Mathematics

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

**ashuganjoo55**25th February 2019 12:32 AM

### CBSE X Chemistry

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

**hasinaumar**25th February 2019 7:18 PM

### CBSE X Mathematics

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

**Sharan9958**26th February 2019 7:41 AM

### CBSE X Mathematics

## sir can you please answer the question

**chintalarakeshyadav**26th February 2019 4:40 PM

### CBSE X Mathematics

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

**guptaabhinav0809**28th February 2019 12:57 AM

### CBSE X Mathematics

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

**Nimmi**28th February 2019 1:05 AM

### CBSE X Mathematics

## Please observe the question carefully and then answer : cos^4A/cos^2B + sin^4A/sin^2B=1 then prove that : cos^4B/cos^2A + sin^4B/sin^2A =1

**guptaabhinav0809**28th February 2019 9:59 AM

### IIT JEE Main Mathematics

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

**azizrajil03**1st March 2019 6:26 AM

### CBSE X Mathematics

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

**devanshbajpai078**3rd March 2019 7:53 AM

### CBSE X Mathematics

## 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.

**hsradha75**3rd March 2019 9:29 PM