Find the indefinite integral of the following function.

${\displaystyle \underset{\phantom{}}{\overset{\phantom{}}{}}}\frac{sinu}{co{s}^{5}u}du$

$\frac{(sinu{)}^{-4}}{5}+C$

$\frac{(sinu{)}^{-4}}{4}+C$

$\frac{(cosu{)}^{-4}}{5}+C$

$\frac{(cosu{)}^{-5}}{4}+C$

$\frac{(cosu{)}^{-4}}{4}+C$