$\frac{620}{4}$
$\int\left(x+1\right)\left(e^x+2\right)dx$
$5x+4<10$
$-x+2\ge-1$
$\sec\left(90.9\right)$
$\cos^4\left(x\right)+1-\sin^4\left(x\right)=2\cos^2\left(x\right)$
$2sin=-\sqrt{2}$
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