What is sine theta plus 2 cosine squared theta?

I shall use x instead of theta since I cannot be bothered to paste it at each step.

sin(x) + 2*cos2(x) = sin(x) + 2*[1 - sin2(x)] = sin(x) + 2 - 2sin2(x) which cannot be simplified further.

I shall use x instead of theta since I cannot be bothered to paste it at each step.

sin(x) + 2*cos2(x) = sin(x) + 2*[1 - sin2(x)] = sin(x) + 2 - 2sin2(x) which cannot be simplified further.

I shall use x instead of theta since I cannot be bothered to paste it at each step.

sin(x) + 2*cos2(x) = sin(x) + 2*[1 - sin2(x)] = sin(x) + 2 - 2sin2(x) which cannot be simplified further.

I shall use x instead of theta since I cannot be bothered to paste it at each step.

sin(x) + 2*cos2(x) = sin(x) + 2*[1 - sin2(x)] = sin(x) + 2 - 2sin2(x) which cannot be simplified further.