$1+\sin\left(x\right)-2\sin^2\left(x\right)$

$5\sqrt{x^3}$

$\left(\tan\left(x\right)\sec\left(x\right)+\sec^2\left(x\right)\right)\frac{1}{\sec\left(x\right)+\tan\left(x\right)}$

$\left(4t-\frac{8}{5}\right)-\left(3-\frac{4}{3}t\right)$

$\frac{d}{dx}9^{-x}sinx$

$\left(\frac{1}{2}s^2-s^3\right)^2$

$\log_{12}\left(144\right)=2$