Home
Class 11
MATHS
If the complex numbers sin x + I cos 2 ...

If the complex numbers `sin x + I cos 2 x and cos x - I sin 2 x ` are conjugate to each other, then the set of

A

`n pi, n in Z`

B

`(2 n + 1) (pi)/(2), n in Z`

C

{0}

D

`phi`

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Similar Questions

Explore conceptually related problems

The complex number sinx+icos 2x and cosx-isin2x are conjugate to each other for

Period of ( 2 sin 2x -5 cos 2x )/( 7 cos x - 8 sin x) is

Solve sin 3x + sin x + 2 cos x = sin 2x + 2 cos^(2)x

If 7 cos ^(2) x + sin x cos x - 3 then x =

(sin x + sin 3x )/( cos x + cos 3x )= tan 2x

If sin x - 3 sin 2x + sin 3x = cos x - 3 cos 2x + cos 3x then x =

Solve sin x + sin 2x + sin 3 x = cos x + cos 2x + cos 3x