Evaluate the integral.

${\displaystyle \underset{\phantom{}}{\overset{\phantom{}}{}}}5co{s}^{3}4xdx$

$\frac{5}{4}sin4x-\frac{5}{12}si{n}^{3}4xC$

$5sin4x-\frac{5}{3}si{n}^{3}4xC$

$\frac{5}{4}sin4x\frac{5}{12}si{n}^{3}4xC$

$\frac{5}{4}sin4x-\frac{5}{12}co{s}^{3}4xC$

Question $6($Mandatory$)(1$ point$)$

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Evaluate the integral.