$\left(w^7\right)^8$
$\tan^2\left(x\right)=\frac{1+\tan^2\left(x\right)}{\csc^2x}$
$\frac{\sin\left(b\right)\:}{1+\cos\left(b\right)}+\frac{1-\cos\left(b\right)}{\sin\left(b\right)}$
$4.8x^2-12x+5$
$x^3-5x^2+6;\:x=0$
$\frac{dy}{dx}=\frac{y+x+1}{y+x-1}$
$25-100a^2$
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