If sin x ( cos ""(x)/( 4) - 2 sin x) + (...

If `sin x ( cos ""(x)/( 4) - 2 sin x) + ( 1 + sin "" (x)/( 4) - 2 cos x) cos x = 0 ` then x =

A

`( 8 k - 6 ) pi, k in Z`

B

` ( 8 k - 4) pi, k in Z`

C

` ( 8 k - 2) pi , k in Z`

D

` ( 8 k - 1) pi , k in Z`

Verified by Experts

The correct Answer is:

A

Similar Questions

Explore conceptually related problems

(sin 3x + sin x ) sin x + (cos 3x - cos x) cos x =0

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

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

5 sin x + 4 cos x =3 rArr 4 sin x - 5 cos x=

sin 3x + sin 2x - sin = 4sin x cos "" x/2 cos "" (3x)/(2)

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

Number of solution (s) of the equation (sin x)/( cos 3 x) +( sin 3 x )/( co 9 x) + ( sin 9 x )/( cos 27 x) = 0 in the interval (0, (pi)/( 4)) is

The maximum value of cos x ((cos x )/( 1- sin x) + (1- sin x)/( cos x) ) is

If int (3 cos x - 2 sin x )/(4 sin x + 5 cos x ) dx = Ax + B log | 5cos x + 4 sin x | then (A, B ) =