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# Trigonometric Equations

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

Asked by 20th September 2012 10:07 PM

## Plz solve ques 51 urgently

Asked by lovemaan5500 14th January 2018 2:18 PM

## Kindly answer the question in detail

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

## Kindly provide the answer to this in detail

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

## Question no. 24

Asked by Payal 22nd February 2018 10:05 AM

## Question no. 24

Asked by Payal 22nd February 2018 10:05 AM

## 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

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

Asked by ihsanansar123 2nd March 2018 12:52 PM

## Write 10 important trigonometry equations.

Asked by reenabhartintpc001 13th March 2018 3:28 PM

## plz solve the question

Asked by futureisbright051101 5th April 2018 5:03 AM

## Pls tell

Asked by g_archanasharma 10th April 2018 10:14 AM

## sin inverse[sinx+cosx/root2]

Asked by diontomy129 10th April 2018 6:56 PM

## 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.

Asked by deepakagarwal1024 7th June 2018 8:28 PM

## 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

## 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

## 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

## Q 9( i )

Asked by pukai7229 26th June 2018 9:38 PM

## [Q.]  12 ( i )

Asked by pukai7229 26th June 2018 9:39 PM

## HOW TO DO THIS SUM ON EQATION AND SOLUTION

Asked by pukai7229 26th June 2018 9:40 PM

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

Asked by siddharthjaiswal1122 1st July 2018 2:52 PM

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

Asked by hariom2083 5th July 2018 11:52 AM

## kindly solve (ref. 230)

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

## Prove that:

Asked by 1784393325200864 16th July 2018 6:23 AM

## Sin2x+sin4x+sin6x=0

Asked by Anshijashaji 5th August 2018 2:32 PM

## 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

## 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

## 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

### CBSE X Maths

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

## 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

Asked by SriVaishnavi 2nd October 2018 9:30 AM

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

Asked by roysubarna2016 2nd October 2018 11:27 AM

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

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

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

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

## 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.

Asked by jaiswalsindhuli717 9th November 2018 7:48 PM

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

Asked by dantkalesamarth 22nd November 2018 10:02 PM

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

Asked by Gounshi 23rd November 2018 4:43 PM

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

Asked by Gounshi 25th November 2018 5:28 PM

## 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

### CBSE X Maths

Asked by bhattjeewanti9999 14th December 2018 11:12 AM

## 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

Asked by shivkant.928 21st December 2018 11:19 PM

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

Asked by m_shailander 30th December 2018 12:30 PM

## If sin A-cosA=   then  find the value of the following. a) sinA.cosA     b) sinA + cosA

Asked by sunilkumar08031999 3rd January 2019 9:39 PM

## Sir pls solve the following.

Asked by rsudipto 5th January 2019 9:19 AM

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

Asked by heenasatra17 6th January 2019 9:49 AM

## 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

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

Asked by hakushwah 13th January 2019 11:23 PM

## 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

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

Asked by anilavthomas 16th January 2019 9:31 PM

## prove.

Asked by shreyashichaudhary012 17th January 2019 10:47 PM

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

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

## 10th

Asked by Xvirat1 19th January 2019 11:27 AM

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

Asked by Nimmi 19th January 2019 4:52 PM

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

Asked by Nimmi 19th January 2019 7:31 PM

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

Asked by shivasanthosh0804 23rd January 2019 6:20 PM

## =0

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

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

Asked by azizrajil03 30th January 2019 7:13 AM

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

Asked by amitkhatua51 5th February 2019 8:56 AM

### ICSE IX Maths

Asked by Kanwaranita10 6th February 2019 9:41 PM

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

Asked by drindhusrmc 10th February 2019 8:18 AM

## 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

Asked by guptaabhinav0809 10th February 2019 11:51 PM

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

Asked by banerjee_milky 16th February 2019 11:23 AM

## Pic mai h sirji

Asked by nandrammeena2 20th February 2019 10:08 PM

## Please prove A = B.

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

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

Asked by ashuganjoo55 25th February 2019 12:32 AM

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

Asked by hasinaumar 25th February 2019 7:18 PM

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

Asked by Sharan9958 26th February 2019 7:41 AM

## 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

## 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

## 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

Asked by guptaabhinav0809 28th February 2019 9:59 AM

## 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

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

Asked by devanshbajpai078 3rd March 2019 7:53 AM

### CBSE X Maths

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

## Solve the question in photo...

Asked by Vidushi412 31st March 2019 9:10 PM

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

Asked by heermurjani 5th April 2019 4:32 PM

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

Asked by Mmanjima7 25th April 2019 12:11 PM

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

Asked by Iamanish2003 20th May 2019 2:12 PM

## Find the value of sin 31π/3

Asked by Shikhasaxena523 27th May 2019 3:39 PM

## 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

## 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

## Pls solve.

Asked by pb_ckt 11th June 2019 3:34 PM

## Pls solve.

Asked by pb_ckt 11th June 2019 3:34 PM

## Pls solve.

Asked by pb_ckt 12th June 2019 2:48 PM

## pls solve

Asked by pb_ckt 14th June 2019 11:19 PM

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

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

## 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

## Trigonmetric

Asked by Ratanswain752 16th August 2019 9:14 PM

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

Asked by anushankdagar95 23rd October 2019 8:55 AM

## 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

## 2cos²Ø+sinØ-2=0 find value of Ø

Asked by gogobarcasajal 7th December 2019 11:00 AM

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

Asked by kssvsv2011 9th May 2020 8:44 PM

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

Asked by engtalukdardubey 9th June 2020 5:32 PM

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

Asked by saumitachaudhuri120 17th July 2020 8:41 PM

## Question 6th

Asked by shivanisethi255 18th July 2020 5:30 PM

## 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

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

Asked by lavanyasureshkumar 24th August 2020 4:02 PM

## 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

Asked by abhishekpareekv 10th October 2020 2:04 PM

## tan2-sin2=tan2.sin2

Asked by afaizaali293 25th October 2020 11:39 AM

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

Asked by vermahiteshi243 30th August 2021 9:53 AM

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

Asked by digbijaybehera008 15th September 2021 9:15 AM

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

Asked by antarshekhawat18 25th May 2022 10:32 AM

### ICSE X Maths Trigonometrical Identities

Asked by rashikulkarni28 8th June 2022 3:14 PM

## I can't understand

Asked by barbysingh2006 30th December 2022 8:41 PM

## hi

Asked by chaudahryanshika 3rd January 2023 10:04 AM

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

Asked by skailas803 5th January 2023 11:37 PM

## applied mathematics

Asked by pardeepsinghkarn412 17th January 2023 5:23 AM

## Sin(x)/√2+cos(x)/√2=√3/2

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

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

Asked by gopalkumarrai87 11th October 2023 11:02 AM

### ICSE X Maths Trigonometric Identities

Asked by shethdhanesh 23rd October 2023 5:49 PM

### ICSE X Maths Trigonometric Identities

Asked by shethdhanesh 24th October 2023 10:41 AM

## doubt

Asked by srianshgaming09 13th November 2023 9:02 AM

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

Asked by harshitesahu 18th November 2023 11:46 AM

### ICSE X Maths Trigonometric Identities

Asked by ketanpatil168262884377 28th November 2023 5:37 PM

## value of 4/cos⁴A-sin⁴A+1

Asked by bhuvanajajimoggala0 16th December 2023 5:45 AM

## cos18-sin18

Asked by bhuvanajajimoggala0 20th December 2023 6:41 PM

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

Asked by bimanmandal53361 15th January 2024 12:32 AM

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

Asked by balu162 16th January 2024 7:10 AM

## 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

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

Asked by maulshp119 24th January 2024 9:45 AM

## solution

Asked by pankajmali55 25th January 2024 7:51 PM

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

Asked by amitras0003 26th January 2024 6:53 AM

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

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

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

Asked by nayaktapaswini2007 29th February 2024 9:10 AM

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

Asked by rajyothi64 5th March 2024 9:49 PM

## √1+sin A/√1-sin A

Asked by vn3950372 18th March 2024 8:38 PM

## prove that

Asked by botlarajshekhar 22nd March 2024 9:37 PM

## ug

Asked by nityaboragam 11th April 2024 12:14 PM

## Cos66+sin84

Asked by veerababukoppisettiveerababu3 17th April 2024 5:49 PM

## maths sum

Asked by keerthananukala2007 2nd May 2024 11:32 AM

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

Asked by medanagaraju2022 3rd May 2024 7:37 PM

## solutions

Asked by mukammilh19 7th May 2024 2:28 PM