$[-/10$ Points$]$

SCALCET$97\mathrm{.}2$

Evaluate the integral. $($Remember the constant of integration.$)$

${\displaystyle \underset{\phantom{}}{\overset{\phantom{}}{}}}9si{n}^2(x)co{s}^3(x)dx$

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$[-/10$ Points$]$ SCALCET$97\mathrm{.}2\mathrm{.}007.$

Evaluate the integral.

${\displaystyle \underset{0}{\overset{\frac{}{2}}{}}}3co{s}^2()d$

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