If 2 sin ^(3) x = cos x then x =...

If `2 sin ^(3) x = cos x ` then x =

A

`x = n pi + (pi)/(4), n in Z`

B

`x = n pi + (pi)/( 3), n in Z`

C

`x = n pi + (pi)/( 2) , n in Z`

D

` x = n pi + (pi)/( 6) , n in Z`

Verified by Experts

The correct Answer is:

A

Similar Questions

Explore conceptually related problems

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

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

If 4cos^(2)x sin x - 2 sin^(2)x=3sinx , then x =

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

The number of solutions of sin x + sin 2 x + sin 3 x = cos x + cos 2 x + cos 3 x, 0 le x le 2 pi , is

If sin^(3) x cos 3x + cos^(3) x sin 3x = 3//8 , then the value of 8 sin 4x is ____________.

If int e^(x) .(2sin3x + 5 cos 3x ) dx = (e^(x))/(a) [ b sin 3x + c cos 3x ] + K then (a, b ,c ) =

If a sin^(3)x+b cos^(3)x= sin x cos x and a sin x= b cos x then a^(2)+b^(2)=

If 3 cos x ne 2 sin x , then the general solution of sin^(2) x - cos 2x = 2 - sin 2x is x =