Find the number of solutions of the equations `cos (cos^(-1)x) = "cosec"("cosec"^(-1)x)`

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

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

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

The number of solutions to the equation sin^(-1)x +sin^(-1)(1-x)=cos^(-1)x is a)1 b)0 c)2 d)None of these

If 0lexle2pi , then the number of solutions of the equation "sin"^(8)x+"cos"^(6)x=1 is

Find the general solutions of sin x+cos x=1 .