`sin ^(2) 6x - sin ^(2) 4x = sin 2x sin 10x`

cos ^(2) 2x -cos ^(2) 6x = sin 4x sin 8x

The function f(x) = 4 sin^(3)x - 6 sin^(2)x + 12 sin x +100 is strictly

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

Number of solutions of the equation sin^(4) x-cos^(2)x sin x + 2 sin^(2) x+sin x=0 in 0 le x le 3pi is ________.

Solve the inequality (5)/4 sin^(2) x + sin^(2) x * cos^(2)x gt cos 2x.

Solve sin 2x -sin 4x+sin 6x=0

Solve sin 2x - sin 4x + sin 6x =0.

The value of (cos^(4)x+cos^(2)x sin^(2) x + sin^(2)x)/(cos^(2)x+ sin^(2) x cos^(2) x + sin^(4)x) is ____________

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

Find the general solution of sin x + sin 5x = sin 2 x + sin 4 x .