$\frac{\left(cosx\right)\left(1-cos2x\right)}{sin2x}$
$11cos^2x+cosx-12$
$3\cdot\left(-8\right)\cdot\left(-12\right)\cdot9$
$\sqrt{\sqrt{x}+1+3}$
$\int3xe\cdot dx$
$\left(\frac{3}{2}ab^2c\right)^2$
$\left(m+n\right)^4-\left(g+b\right)^8$
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