[" Find all solutions of "],[cos theta cos2 theta cos3 theta=y_(4)" in "[0,pi]]

Solve the following equations and write general solutions 4 cos theta. Cos 2 theta.cos 3 theta = 1 in (0, pi)

The number of distinct solutions of sin5 theta*cos3 theta*cos7 theta=0 in [0,(pi)/(2)] is :

Find the sum of all the solution of the equation cos theta-sin3 theta=cos2 theta in[0,2 pi]

The nummber of distinct solutions of sin5 theta*cos3 theta=sin9 theta*cos7 theta in [0,(pi)/(2)] is

Solve : cos theta cos 2 theta cos 3 theta =(1)/(4) (0 le theta le pi)

The solution of costheta.cos2theta.cos3theta=1/4,0 lt theta lt pi/4 is:

Find the number of solution for sin 5theta cdot cos 3theta = sin 9theta cos 7theta in [0, pi/2]

Solve cos theta * cos 2 theta * cos 3 theta = (1)/( 4), 0 le theta le pi

Solve cos theta * cos 2 theta * cos 3 theta = (1)/( 4), 0 le theta le pi