$2cos\left(2x\right)sin\left(x\right)=\sqrt{2}cos\left(2x\right)$
$\frac{dy}{dt}+t^2y=t^2$
$1+\csc\left(x\right)\left(1-\sin\left(x\right)\right)$
$7\cdot2^5-3\cdot2^4+2\cdot2^3$
$\frac{dy}{2dx}=\sqrt{y+1}cosx$
$4^2\left(4^{-2}+2^2\right)$
$\left(4n^4+3u\right)^3$
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