Home
Class 11
MATHS
Prove that (sin 3x - sin x) /( cos ...

Prove that `(sin 3x - sin x) /( cos x - cos 3x) = cot 2x`

A

`sin x`

B

`cos x`

C

`2 sin x`

D

`2 cos x`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Similar Questions

Explore conceptually related problems

(sin 5x + sin 3x)/(cos 5x + cos 3x) = tan 4x

(sin3x-sinx)/(cos2x) =

If 0 cos x + cos 2x + cos 3x + cos 4x = 0 ;

1+ cos 2x+ cos4x + cos 6x= ............. A) 2 cos x cos 2x cos 3x B) 4 sin x cos 2x cos 3x C) 4 cos x cos 2x cos 3x D) 2 sin x cos 2x cos 3x

Prove that (i) " cos " ((pi)/(4) + x) + " cos " ((pi)/(4)- x) =sqrt(2) " cos " x (ii) " cos " ((3pi)/(4) + x) - "cos " ((3pi)/(4)-x) =- sqrt(2) " sin " x

Prove the following: (sin3x+sinx)sinx+(cos3x-cosx)cosx=0

2cosx-cos3x-cos5x= ............... A) 16 cos ^(3) x sin ^(2) x B) 16 sin^(2) x cos ^(2) x C) 4 cos ^(2) x sin ^(2) x D) 4 sin ^(2) x cos ^(2)x

(sin5x+sin3x)/(cos5x+cos3x)=

The range of f(x) = cos x - sin x is