$\tan\left(30\right)=\sin\left(30\right)+\cos\left(30\right)$
$\left(25+3y\right)^2$
$\frac{d^2}{dx^2}\left(3-5x\right)^2$
$6b-2a$
$2sin^3\left(x\right)+sin^2\left(x\right)=0$
$\left(7\right)^2+2\left(5\right)\sqrt{9}$
$18x^2+60x$
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