$\tan^2\left(x\right)\csc^2\left(x\right)-\tan^2\left(x\right)$

$3\sin\left(x\right)\cos\left(x\right)=\cos\left(x\right)^2$

$\int5\sinh\left(1-3x\right)dx$

$\int\left(7x+4\right)^{\frac{3}{2}}dx$

$x^2+2x+132.25$

$9-+\left[6-3+8+\left(+5+9\right)-2+8\right]$

$-16x^2+90x+6$