$-2\sin^2\left(x\right)\cos\left(x\right)+\cos^3\left(x\right)$
$2.76\cdot45$
$\int_0^{\pi}\left(cos^4\left(2t\right)\right)dt$
$x^3-x-12\frac{1}{x+3}$
$\frac{4.25}{100}$
$8+343y^6$
$\int\frac{4x^2+4x-35}{x^2-9}dx$
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