Solve `sin 3 theta + cos 2 theta = 0`.

Solve the following trigonometric equation : sin 2 theta + cos theta = 0 .

Solve sin^(2) theta gt cos^(2) theta .

Solve cos theta * cos 2 theta * cos 3 theta = (1)/( 4), 0 le theta le pi

If int (sin 3 theta + sin theta ) cos theta e ^(sin theta ) d theta = (A sin ^(3) theta + B cos ^(2) theta + C sin theta + D cos theta +E)e^(sin theta)+F, then:

Solve sin^(2) theta-cos theta=1/4, 0 le theta le 2pi .

Find the number of solution for , sin 5 theta * cos 3 theta = sin 9 theta * cos 7 theta in [0,(pi)/2]

The number of solutions of the pair of equations: 2 sin^2 theta- cos 2 theta = 0, 2 cos^2 theta - 3 sin theta=0 in the interval [0, 2 pi] is :

Solve the following trigonometric equation : sin theta + cos theta = 1 .

Solve the following trigonometric equation : cos 3 theta + 8cos^3 theta =0 .

Solve the following systems of homogenous equations: {:(x cos theta - y sin theta = 0),(x sin theta + y cos theta = 0):}