Evaluate ${\displaystyle \underset{\phantom{}}{\overset{\phantom{}}{}}}ta{n}^{6}xse{c}^{4}xdx$

Select one:

a$.\frac{ta{n}^{2}x}{0}\frac{ta{n}^{2}x}{7}C$

b$.\frac{ta{n}^{2}x}{9}-\frac{ta{n}^{2}x}{7}C$

C$.\frac{si{n}^{2}x}{9}\frac{se{n}^{2}x}{7}C$

d$.\frac{se{n}^{3}x}{9}-\frac{s{n}^{2}x}{9}C$