### CBSE X Maths Introduction to Trigonometry

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

### ICSE X Maths Trigonometrical Identities

## Plz solve ques 51 urgently

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

### CBSE XI Science Maths Trigonometric Functions

## Kindly answer the question in detail

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

### CBSE XI Science Maths Trigonometric Functions

## Kindly provide the answer to this in detail

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

### CBSE XI Commerce Maths

## Question no. 24

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

### CBSE XI Commerce Maths

## Question no. 24

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

### CBSE X Maths

## 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 Maths

## 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) Maths

## Write 10 important trigonometry equations.

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

### JEE Plances JEE (Main) Maths

## plz solve the question

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

### JEE Plances JEE (Main) Maths

## Pls tell

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

### CBSE XII Commerce Maths

## sin inverse[sinx+cosx/root2]

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

### CBSE XI Commerce Maths

## 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 Maths

## 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 Maths

## 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 Maths 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) Maths

## [Q.] 12 ( i )

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

### JEE Plances JEE (Main) Maths

## HOW TO DO THIS SUM ON EQATION AND SOLUTION

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

### ICSE X Maths

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

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

### JEE Plances JEE (Main) Maths

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

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

### JEE Plances JEE (Main) Maths

## 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 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

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

### 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

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

### ICSE X Maths

## 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 Maths

## 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 Maths

## 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 Maths 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 Maths

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

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

### ICSE X Maths

## 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 Maths

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

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

### CBSE X Maths

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

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

### CBSE X Maths

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

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

### CBSE XI Science Maths 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 Maths

## 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 Maths

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

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

### ICSE X Maths

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

a) sinA.cosA b) sinA + cosA

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

### JEE Main Maths Trigonometry

## Sir pls solve the following.

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

### ICSE X Maths

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

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

### ICSE IX Maths

## 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 Maths

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

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

### CBSE X Maths

## 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 Maths

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

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

### CBSE X Maths

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

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

### CBSE X Maths

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

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

### CBSE X Maths

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

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

### ICSE X Maths

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

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

### JEE Main Maths

## 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 Maths

## Please solve these questions.

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

### CBSE X Maths

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

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

### CBSE X Maths

## 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 Maths

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

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

### CBSE X Maths

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

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

### JEE Foundation X Maths

## Pic mai h sirji

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

### CBSE X Maths

## 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 Maths

## Please prove A = B.

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

### CBSE X Maths

## 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 Maths

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

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

### CBSE X Maths

## sir can you please answer the question

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

### CBSE X Maths

## 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 Maths

## 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 Maths

## 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

### JEE Main Maths

## 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 Maths

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

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

### 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.

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

### JEE Main Maths

## Solve the question in photo...

**Vidushi412**31st March 2019 9:10 PM

### ICSE X Maths Trigonometric Ratios of Complementary Angles

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

**heermurjani**5th April 2019 4:32 PM

### ICSE X Maths Trigonometric Identities

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

**Mmanjima7**25th April 2019 12:11 PM

### CBSE XI Science Maths Trigonometric Functions

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

**Iamanish2003**20th May 2019 2:12 PM

### CBSE X Maths Introduction to Trigonometry

## Find the value of sin 31π/3

**Shikhasaxena523**27th May 2019 3:39 PM

### CBSE XI Science Maths Trigonometric Functions

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

**aahnik.mohanty**29th May 2019 7:58 PM

### 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

**aahnik.mohanty**29th May 2019 8:04 PM

### CBSE XI Science Maths Trigonometric Functions

## Pls solve.

**pb_ckt**11th June 2019 3:34 PM

### CBSE XI Science Maths Trigonometric Functions

## Pls solve.

**pb_ckt**11th June 2019 3:34 PM

### CBSE XI Science Maths Trigonometric Functions

## Pls solve.

**pb_ckt**12th June 2019 2:48 PM

### CBSE XI Science Maths Trigonometric Functions

## pls solve

**pb_ckt**14th June 2019 11:19 PM

### CBSE XI Science Maths Trigonometric Functions

## sinx=1/2 then find the value of cosx

**md.ameenkhan9292**29th June 2019 6:07 PM

### 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

**bindu_jayk**15th August 2019 11:45 AM

### CBSE XI Science Maths Trigonometric Functions

## Trigonmetric

**Ratanswain752**16th August 2019 9:14 PM

### CBSE XII Science Physics Electric Charges and Fields

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

**anushankdagar95**23rd October 2019 8:55 AM

### 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

**melmerisb**7th December 2019 12:38 AM

### ICSE IX Maths Trigonometry

## 2cos²Ø+sinØ-2=0 find value of Ø

**gogobarcasajal**7th December 2019 11:00 AM

### CBSE X Maths Introduction to Trigonometry

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

**kssvsv2011**9th May 2020 8:44 PM

### ICSE X Maths Trigonometrical Identities

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

**engtalukdardubey**9th June 2020 5:32 PM

### ICSE X Maths Trigonometric Identities

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

**saumitachaudhuri120**17th July 2020 8:41 PM

### ICSE X Maths Trigonometrical Identities

## Question 6th

**shivanisethi255**18th July 2020 5:30 PM

### 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

**tarunkumardas32**13th August 2020 9:13 AM

### CBSE X Maths Introduction to Trigonometry

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

**lavanyasureshkumar**24th August 2020 4:02 PM

### CBSE X Maths

## write all the trigonometric identities and prove that (1/ sec^2 theta - cos ^2 theta ( + )1/ cosec^2 theta - sin^2 theta) sin^2 theta. cos ^2 theta = 1 - sin^2 theta. cos^2 theta / 2+ sin^2 theta . cos^2 theta by using trigonometric identities

**abhishekpareekv**10th October 2020 2:04 PM

### ICSE X Maths Trigonometrical Identities

## tan2-sin2=tan2.sin2

**afaizaali293**25th October 2020 11:39 AM

### CBSE XI Science Maths Trigonometric Functions

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

**vermahiteshi243**30th August 2021 9:53 AM

### JEE Main Maths Trigonometry

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

**digbijaybehera008**15th September 2021 9:15 AM

### JEE Main Maths Trigonometry

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

**antarshekhawat18**25th May 2022 10:32 AM

### ICSE X Maths Trigonometrical Identities

## please help me to answer the question

**rashikulkarni28**8th June 2022 3:14 PM

### CBSE X Maths Introduction to Trigonometry

## I can't understand

**barbysingh2006**30th December 2022 8:41 PM

### CBSE X Maths Quadratic Equations

## hi

**chaudahryanshika**3rd January 2023 10:04 AM

### CBSE X Maths Introduction to Trigonometry

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

**skailas803**5th January 2023 11:37 PM

### JEE Main Maths Trigonometry

## applied mathematics

**pardeepsinghkarn412**17th January 2023 5:23 AM

### CBSE XI Science Maths Trigonometric Functions

## Sin(x)/√2+cos(x)/√2=√3/2

**069.pks**16th September 2023 10:06 AM

### CBSE XII Science Maths Inverse Trigonometric Functions

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

**gopalkumarrai87**11th October 2023 11:02 AM

### ICSE X Maths Trigonometric Identities

## Please solve this

**shethdhanesh**23rd October 2023 5:49 PM

### ICSE X Maths Trigonometric Identities

## please solve this

**shethdhanesh**24th October 2023 10:41 AM

### NEET NEET Physics

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

**harshitesahu**18th November 2023 11:46 AM

### ICSE X Maths Trigonometric Identities

## tell me answer

**ketanpatil168262884377**28th November 2023 5:37 PM

### ICSE IX Maths Trigonometry

## value of 4/cos⁴A-sin⁴A+1

**bhuvanajajimoggala0**16th December 2023 5:45 AM

### ICSE IX Maths Trigonometry

## cos18-sin18

**bhuvanajajimoggala0**20th December 2023 6:41 PM

### CBSE XI Science Maths Trigonometric Functions

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

**bimanmandal53361**15th January 2024 12:32 AM

### CBSE X Maths Introduction to Trigonometry

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

**balu162**16th January 2024 7:10 AM

### 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

**chinnagallakumaraswamy03**23rd January 2024 9:39 PM

### CBSE XII Science Maths

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

**maulshp119**24th January 2024 9:45 AM

### CBSE X Maths Introduction to Trigonometry

## solution

**pankajmali55**25th January 2024 7:51 PM

### JEE Main Maths Trigonometry

## sin 78 degree-sin66degre-sin 42degree+sin6degree

**amitras0003**26th January 2024 6:53 AM

### CBSE XII Science Maths Inverse Trigonometric Functions

## solve it

**sahrudadayajena**27th January 2024 9:11 PM

### CBSE X Maths Introduction to Trigonometry

## find the value of cos20 if 2sin20 is root 3

**gauravgupta.20008**3rd February 2024 5:36 PM

### CBSE XI Science Maths Trigonometric Functions

## sin(90+θ)*.tan(270-θ)*.cot(360-θ)/cot(-θ)*.tan(90+θ)*.cos(180+θ)=

**nayaktapaswini2007**29th February 2024 9:10 AM

### CBSE XI Science Maths Trigonometric Functions

## find the value of 2sin square 3pie by 4+3cos square 3pie by4-2tan square 3pie by 4

**rajyothi64**5th March 2024 9:49 PM

### JEE Main Maths Trigonometry

## the value of cos 28 degrees . cos 32 degrees minus sin 28 degrees into 32 degrees

**prasanthimaddula7**15th March 2024 8:10 PM

### CBSE X Maths Introduction to Trigonometry

## √1+sin A/√1-sin A

**vn3950372**18th March 2024 8:38 PM

### ICSE X Maths Trigonometric Identities

## prove that

**botlarajshekhar**22nd March 2024 9:37 PM

### JEE Main Maths Trigonometry

## 5cos2theeta-2sin2theeta=2

**srinivaskarri79**8th April 2024 9:53 PM

### CBSE XI Science Maths Trigonometric Functions

## ug

**nityaboragam**11th April 2024 12:14 PM

### JEE Main Maths Trigonometry

## Cos66+sin84

**veerababukoppisettiveerababu3**17th April 2024 5:49 PM

### CBSE XI Science Physics

## answer me

**sheikhsaadat24**17th April 2024 9:41 PM

### JEE Main Maths Trigonometry

## maths sum

**keerthananukala2007**2nd May 2024 11:32 AM

### CBSE XI Science Maths Trigonometric Functions

## Prove that \sqrt{\frac{1-cos~2\theta}{1+cos~2\theta}}=tan

**medanagaraju2022**3rd May 2024 7:37 PM

### CBSE X Maths Introduction to Trigonometry

## solutions

**mukammilh19**7th May 2024 2:28 PM