$\sqrt{0.04}$

$\left(sinx\right)\left(cosx\right)\left(cotx\right)-sin^2x=cos\left(2x\right)$

$2.6r\:+\:1.3\:=\:-16.9$

$\int\frac{3\ln^2\left(x\right)}{x}dx$

$\left(sec\left(x\right)\right)\frac{dy}{dx}=e^{y+sin\left(x\right)}$

$2.5-4+2-12:3$

$\frac{1}{sec\left(x\right)-cos\left(x\right)}=cot\left(x\right)csc\left(x\right)$