$f\left(x\right)=sen\left(arctan\left(x\right)-arcsen\left(x\right)\right)$

$\sqrt[7]{1\:}$

$\frac{3x^3+2x^2-1}{x^2+3}$

$\int-9e^{-9t+7}dt$

$\int\frac{\frac{1}{9}x+8}{\left(\frac{1}{3}x+1\right)^{10}}dx$

$( 5 x ^ { \frac { 1 } { 8 } } ) ^ { 2 }$

$\frac{a^6b^9-8}{a^2b^3-6c^4}$