Solve `2sin^(2)x-5sinxcosx-8cos^(2)x=-2`.

Solve: sin2x-sin4x+sin6x=0

Solve: sin2x-sin4x+sin6x=0

Solve sin2x-sin4x+sin6x=0

Solve sin2x-sin4x+sin6x=0

Solve 2sin^(2)x+sin^(2)2x=2 .

Solve 2 cos ^(2) x+3 sin x=0

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

The integral (sin^(2)xcos^(2)x)/((sin^(5)x+cos^(3)xsin^(2)x+sin^(3)xcos^(2)x+cos^(5)x)^(2))dx is equal to

Show that cos 2 x=cos ^(2) x-sin ^(2) x=2 cos ^(2) x-1=1-2 sin ^(2) x=(1-tan ^(2) x)/(1+tan ^(2) x)

prove the following (sinx-sin3x)/(sin^2x-cos^2x)=2sinx