$\left(\frac{-5}{12}\right)^0$

$b^2-36b+324$

$\int_0^{\tan\left(x\right)}\left(t^2\right)dt$

$\int\sqrt{\frac{9-4x^2}{4x^2}}dx$

$-17-13+67+3+8+13-2$

$\left(\frac{2}{5}-\frac{3}{2}i\right)^2$

$\left(1+\csc x\right)^2=\left(1+\sin x\right)^2+\left(\cos x+\cot x\right)^2$