Evaluate ${\displaystyle \underset{\phantom{}}{\overset{\phantom{}}{}}}si{n}^{2}xco{s}^{3}xdx$

Select one:

a$.m{y}^{3}x-\frac{m{y}^{2}x}{b}C$

b$.\frac{si{n}^{2}x}{3}\frac{si{n}^{2}x}{6}C$

c$.\frac{si{n}^{3}x}{3}-si{n}^{2}xC$

d$.\frac{m^{2}x}{3^2}\frac{m^{2}x}{b^2}C$