$sinh2x=2\cdot sinhx\cdot coshx$
$\cot x\left(\tan\left(x\right)+\sec\left(x\right)\right)$
$\left(2x^2+2y^2\right)^2$
$9x-2\left(2x+5\right)$
$2sin^2x-sinx-3$
$\sqrt{1.44}$
$2sin\left(\frac{\pi\:}{4}x\right)=1$
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