$\:\left(sen2x\:+\:2senx\right)\left(1-\cos\left(x\right)\right)$
$-8,106\:-0,98$
$y=\{e^{x}\right)^{\cos x}$
$\left(4x^2+3x+2\right)\left(x^3-2x^2-1\right)$
$\frac{1-secx}{1-cosx}$
$\int\left(x-1\right)\ln\left(2x^2\right)dx$
$2x^2+5x+3=0$
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