$\frac{\cos\left(x\right)}{\tan\left(x\right)}+\cos\left(x\right)\cdot\tan\left(x\right)=\csc\left(x\right)$
$2^8\cdot2^2$
$7\cos\left(x\right)\tan\left(x\right)-10\tan\left(x\right)=0$
$2m-3n-2m+n-m-n$
$x^2+14x+24=0$
$x^3+y^3-6=0$
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