Prove that the equations `sin x*sin 2x*sin 3x = 1` have no solution.

Prove that the equation 2 sin x+cos x=3 has no solution.

Prove that the equation 3(sin x+cos x)-2(sin^(3)x+cos^(3)x)=8 has no solution.

Find the values of a for whilch the equation sin^(4)x+a sin^(2)x+1=0 will have ea solution.

For x in (0, pi) the equation sin x+2 sin 2x-sin 3x=3 has

For x in (0, pi) the equation sin x+2 sin 2x-sin 3x=3 has

For x in (0, pi) the equation sin x+2 sin 2x-sin 3x=3 has

Prove that sin1>cos(sin1). Also,show that the equation sin(cos(sin x))=cos(sin(cos x)) has only one solution in [0,(pi)/(2)]

The equation sin^(6)x+cos^(6)x=2 will have a solution if

Prove that sin x + sin 2x + sin 3x = sin 2x (1 + 2 cos x )

The solution of the equation sin 2x + sin 4x = 2 sin 3x is