# Evaluate integral of sin(x) to the power of two with respect to x

Evaluate integral of sin(x)^2 with respect to x
Use the half-angle formula to Should be rewritten as .
Since is constant with respect to , move out of the integral.
Split the single integral into multiple integrals.
Since is constant with respect to , move out of the integral.
Since is constant with respect to , move out of the integral.
Let . Then , so . Rewrite using and .
Let . Find .
Rewrite.
First, divide by .
Rewrite the problem using and .