$6\sin^2\left(x\right)+5\cos\left(x\right)-7=0$

$\csc^2x+1=-\cot^2x$

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

$\int4x^3\sqrt{2-x^2}dx$

$\frac{dy}{dx}=\frac{3}{4}-\frac{3}{100}x\left(t\right)$

$\sqrt{\left(-3-3\right)}^2+\left(-3-3\right)^2$

$\int\frac{2a}{b}dx$