$-225-\left(48-22-15\right)+\left(-17+2\right)$
$4^{log4\left(x+2\right)}$
$\frac{\sin^2x}{\sin2x}$
$\sqrt[a-b]{4^{2a}}$
$\left(2z\:-\:3\right)\left(3z\:+\:2\right)$
$sinx\left(tan\left(x\right)+csc\left(x\right)\right)=\frac{\left(sin\left(x\right)+cos\left(x\right)\right)}{cos\left(x\right)}$
$\int\:\left(csc^2x+3x^2\right)dx$
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