$\cot=0.2$
$\sec\left(x\right).\cos\left(x\right)+\tan\left(x\right).\cot\left(x\right)=2$
$2x^2-24$
$\left(3y-x-2a+8\right)-\left(2x-5y+a+8\right)$
$2x+2+8x+3$
$\csc x\cdot\cot x\cdot\sin x=\frac{1}{\sin x}$
$\left(xy^{12}\right)^8$
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