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

$5^{\left(x-2\right)}=625$

$\frac{4^2-121}{2n+11}$

$87.5\left(\tan\left(37\right)\right)$

$\frac{dq}{dt}=-4q+12$

$\int\left(\left(3x^2+2\right)\left(x^3+2x\right)^3\right)dx$

$\frac{\csc\left(t\right)-\sin\left(t\right)}{\csc\left(t\right)}$