Home
Class 11
MATHS
Prove that (cos 7 x+cos 5 x)/(sin 7 x-si...

Prove that `(cos 7 x+cos 5 x)/(sin 7 x-sin 5 x)=cot x`

Promotional Banner

Similar Questions

Explore conceptually related problems

Prove that (cos 9 x-cos 5 x)/(sin 17 x-sin 3 x)=-(sin 2 x)/(cos 10 x)

prove that (cos7x+cos5x)/(sin7x-sin5x)= cotx

Prove that (cos 4 x+cos 3 x+cos 2 x)/(sin 4 x+sin 3 x+sin 2 x)=cot 3 x .

Prove that ((sin 7 x+sin 5 x)+(sin 9 x+sin 3 x))/((cos 7 x+cos 5 x)+(cos 9 x+cos 3 x))=tan 6 x

Prove that (cos3x+cos7x-cos2x)/(sin 7x-sin3x-sin2x)=cot2x

Prove that (cos9x —cos5x)/(sin17x-sin3x)=(-sin2x)/(cos10x) .

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

Prove that cot 4 x(sin 5 x+sin 3 x)=cot x(sin 5 x-sin 3 x)

prove that (cos 4x +cos 3x+cos2x)/(sin4x+sin3x+sin2x)=cot3x

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