# 550 Followers Problem

Calculus Level 4

$\large{\displaystyle \int^{\pi}_{0} \frac{\sin^4 x \sqrt{(1-\cos x)}}{(1+\cos x)^2} dx=\frac{A\sqrt{B}}{C}}$

where $$A,C$$ are co prime integers and $$B$$ is square free

Find $$A+B+C$$

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