$\frac{\cos\left(x\right)^2}{\sin\left(x\right)}=\frac{\csc\left(x\right)}{\sec\left(x\right)^2}$
$\log\left(x\right)=7.1$
$x^2+12x-16$
$40m^5+24m^3-3m$
$\frac{6x^4+5x^3-1}{2x^2+x-1}$
$24=2x^2+8x$
$\left(4x\:+\:y\right)\:\left(\:4x\:+\:y\right)$
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