Evaluate ${\displaystyle \underset{\phantom{}}{\overset{\phantom{}}{}}}si{n}^{3}xcosxdx$

Select one:

a$.\frac{si{n}^{4}x}{4}C$

b$.-\frac{si{n}^{6}x}{4}C$

c$.\frac{si{n}^{6}x}{4}$

d$.-\frac{si{n}^{4}x}{4}$