$tan^2x\left(1+cot^2x\right)=tan^2x+1$
$20+3.33+3.33+2.33+2.33+2$
$1^{22}$
$\int\cos\left(2y\right)^4dy$
$4x^6-8x^4-3x^3$
$\frac{-12w^9z^4}{144w^2z^3}$
$3n+10;\:n=-3$
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