$3p-6=90$
$+\left(-11\right)+\left(-10-\left(-9\right)\right)$
$5x^2+9x=-4$
$9\sin\left(x\right)+4=sin\left(x\right)$
$\int7e^{6x+1}dx$
$2sin^2\:\frac{x}{2}-1$
$cos\left(arctan\left(\frac{x}{\sqrt{10}}\right)\right)$
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