### Kerala XI Science Mathematics Trigonometric Functions

## Solve Sin2x-Sin4x+Sin6x=0.

**Deebu**3rd February 2015 3:52 PM

### CBSE XI Science Mathematics Trigonometric Functions

## The points A, B, C, D, E are marked on the circumference of a circle in clockwise direction such that angle ABC=130^{o} and angle CDE=110^{o}. The measure of angle ACE in degree is

a a) 50^{ o} b) 60^{ o} c) 70^{ o} d) 80^{ o}

^{o}and angle CDE=110

^{o}. The measure of angle ACE in degree is

^{ o}b) 60

^{ o}c) 70

^{ o}d) 80

^{ o}

**Anil**22nd August 2017 9:01 PM

### CBSE XI Science Mathematics Sequences and Series

## Q-15 IS ATTACHED

**mahesh_udr2000**29th August 2017 3:29 PM

### CBSE XI Science Mathematics Trigonometric Functions

## Can you please solve this ? And give detail answer.

**Varsneya Srinivas**20th October 2017 5:20 PM

### JEE JEE (Main) Mathematics Trigonometric Ratios, Identities and Equations

## Q11pls

**Tanishq**25th October 2017 5:17 PM

### JEE JEE (Main) Mathematics Trigonometric Ratios, Identities and Equations

## Q14pls

**Tanishq**25th October 2017 5:20 PM

### JEE JEE (Main) Mathematics Trigonometric Ratios, Identities and Equations

## Q22 pls

**Tanishq**25th October 2017 5:33 PM

### CBSE XI Science Mathematics Trigonometric Functions

## prove that sine square eighteen degree plus cosine square thirty six degree is equal to three by four

**hrushikesh.barik**30th October 2017 8:27 PM

### JEE JEE (Main) Mathematics Trigonometric Ratios, Identities and Equations

## ques 7 and ques 6

**rbhatt16**6th November 2017 5:52 PM

### JEE JEE (Main) Mathematics Trigonometric Ratios, Identities and Equations

## I didnt get what you have done after fi ding tan2x

**chandanbr6004**9th November 2017 9:44 AM

### CBSE XI Science Mathematics Trigonometric Functions

## Prove that:
(i) cos(A-B)= cosAcosB + sinAsinB
(ii)cos(A+B)= cosAcosB - sinAsinB

**sunil2791**14th November 2017 7:46 PM

### CBSE XI Science Mathematics Trigonometric Functions

## Solve Sin(2x) > (Cosx)^2

**sudhanshubhushanroy**15th November 2017 8:28 PM

### CBSE XI Science Mathematics Trigonometric Functions

## Solve
Sin(2x) > Squart(2)*Sinx^2 + ( 2 - Squart2 )*Cosx^2

**sudhanshubhushanroy**15th November 2017 8:42 PM

### JEE ALL Class Mathematics Trigonometric Ratios, Identities and Equations

## please solve the question

**jaychandran1967**7th December 2017 5:36 PM

### JEE ALL Class Mathematics Trigonometric Ratios, Identities and Equations

## 17

**rbhatt16**7th December 2017 8:48 PM

### JEE ALL Class Mathematics Solutions of Triangle

## 3

**rbhatt16**7th December 2017 9:10 PM

### JEE ALL Class Mathematics Trigonometric Ratios, Identities and Equations

## ques 8

**rbhatt16**12th December 2017 4:11 PM

### JEE ALL Class Mathematics Trigonometric Ratios, Identities and Equations

## ques 16

**rbhatt16**12th December 2017 4:21 PM

### CBSE XI Science Mathematics Trigonometric Functions

## The question is attached above. Please send step by step complete solution. I also request you please do not send any web link to this question because I am unable to open the link every time .

**sudhanshubhushanroy**14th December 2017 6:47 AM

### CBSE XI Science Mathematics Trigonometric Functions

## The question is attached above. Please send step by step complete solution. I also request you please do not send any web link to this question because I am unable to open the link every time .

**sudhanshubhushanroy**14th December 2017 6:55 AM

### CBSE XI Science Mathematics Trigonometric Functions

## sin 3x + sin 2x - sin x = 4 sin x cos x/2 cos 3x/2

**haroonrashidgkp**20th December 2017 11:35 AM

### CBSE X Mathematics Introduction to Trigonometry

## If tan A = 5/6 and tan B = 1/11 , Then (A+B) =?
- pie/2
- pie/4
- 3pie/2
- nome of these

- pie/2
- pie/4
- 3pie/2
- nome of these

**sucharitasahoo1**26th December 2017 6:18 PM

### JEE JEE (Main) Mathematics

## With usual notation prove that 2 ( a sin^2 C/2+c sin^2 A/2 ) = a + c- b

**shahsamaira2**8th January 2018 5:28 PM

### CBSE XI Science Mathematics Trigonometric Functions

## please help along with me...

**nitishkrnehu09**6th February 2018 9:20 PM

### JEE JEE (Main) Mathematics

## prove that 1)sin square + cos square dived by sinsquare -cos square = 1 2) if the given eq is not equal to RHS then find value of LHS

**futureisbright051101**21st February 2018 7:19 PM

### CBSE XI Commerce Mathematics

## Question no. 24

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

### CBSE XI Science Mathematics Trigonometric Functions

## If 13θ= π , find the value of 3θ+cos5θ + 2cosθcos9θ

**tps.mjmdr**16th June 2018 5:40 PM

### CBSE XI Science Mathematics Trigonometric Functions

## If acos θ = bcos (θ+120°) = c cos (θ+240°) , then find the value of 1/a+1/b+1/c

**tps.mjmdr**16th June 2018 5:45 PM

### JEE JEE (Main) Mathematics

## If angle of a triangle are in AP and the length of the two larger sides of the triangle are 10 and 9 units then find the length of the smallest side?

**Sumantkashyap1111**6th July 2018 2:11 PM

### CBSE XI Science Mathematics Trigonometric Functions

## cos 840 find the value

**ramakoti61**9th July 2018 8:45 PM

### JEE JEE (Main) Mathematics Trigonometric Ratios, Identities and Equations

## Prove that

**Anish**11th July 2018 1:33 PM

### CBSE XI Science Mathematics Trigonometric Functions

## Please give full solution with explanation

**rtortechger.official**12th July 2018 7:42 PM

### ICSE X Mathematics

## If cos(a-b)+cos(b-c)+cos (c-a)= -3?2 ; then prove that cos a +cos b+cos c+sin a +sinb +sinc=0

**keshavendu35**17th August 2018 12:10 AM

### ICSE X Mathematics

## in triangle abc , cos a=sin b/2sinc then show that triangle abc is isosceles

**keshavendu35**19th August 2018 12:35 AM

### CBSE XI Science Mathematics Trigonometric Functions

## Which of the following is the correct option?

**dineshchem108**3rd September 2018 9:03 AM

### CBSE XI Science Mathematics

## Find the value

**dineshchem108**3rd September 2018 10:24 AM

### CBSE XII Science Mathematics

## tan(B+C)+tan(C+A)+tan(A+B) tan(π-A)+tan(π-B)+tan(π-C)

**Shubhamjoliya786**10th September 2018 11:35 AM