$-\sin\left(x\right)\cos\left(x\right)^2-\sin\left(x\right)^3$
$\:\left(12x\:+\:7\:+\:9x^2\right)-\:\left(16x^2-32\:+9x\right)$
$\cos\left(x\right)^2\left(1+\tan\left(90-x\right)^2\right)$
$\lim_{x\to\infty}\left(\frac{2x^2+3}{5x^3+4}\right)$
$\csc\left(2\right)a=1+\cot\left(2\right)a$
$\left(10+25\right)\left(2x+3y\right)\left(2x+3y\right)$
$y^6-196$
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