Question

3sin2 X-5sin X cos X + 8cos2X=2

Find the general solution of this equation.

This is a class 11 question.Pls solve it.

Even you can't solve it at least solve it to a quadratic I will solve the rest.

Answer 1

=3sin2X-5sinxcosx+8cos2x
=6sinxcosx-5sinxcosx+8(cos^x-sin^x)
=sinxcosx+8(cosx)^2-8(sinx)^2
=