" 8.Find the general solution of the following equation : "cos3x+cos x-cos2x=0

Find the general solution of the following equations : cos3x+cosx-cos2x=0

Find the general solution of the following equations cos 3x+cos x-cos 2x=0

Find the general solution of the following equations : cos4x=cos2x

Find the general solutions of the following equations: cos 2x= 0

Find the general solution of the following equations cos 4x = cos 2x

Find the general solution of the following equations: cos 3x + cosx- cos 2x = 0

Find the general solution of the following equations: cos 4 x = cos 2x

Find the general solution of the following equations sin 2x+ cos x =0

Find the general solution of the trigonometric equation: cos3x+cos x-2cos x=0

Find the general solution for each of the following equations : (i) cos4x=cos2x (ii) cos3x=sin2x (iii) sin3x+cos2x=0 (iv) sinmx+sinnx=0