$\sin y=-0.5518$
$\int\left(\frac{2x}{5x^2+1}\right)dx$
$\sqrt{\left(-4\right)^2}+7^2$
$\left(2x-4\right)\left(2x+2\right)$
$y=\tan\left(3x^4+2x\right)$
$\:\left(5^3\right)+8\left(5^2\right)\left(4\right)+16\left(5\right)\left(4^2\right)-3$
$\left(8ab^2+12a^2b\right)^2$
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