$\csc^2\left(x\right)\left(1-cos^2x\right)=1$
$0.5+0.09+0.125$
$f\left(x\right)=\left(3+2x\right)e^{-3x}$
$log5\left(2x-3\right)^2=6$
$2y^2-24y-94=0$
$\left(3p\:-\:9q\right)\left(9q\:+\:3p\right)\:$
$\left(7d^2c\right)^4$
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