$-1+\frac{1}{\cos^2}$
$8\sin^2\left(x\right)-6\cos\left(x\right)-9$
$\frac{1}{2}w=30$
$100-2x+100$
$\frac{s-5}{\left(s-2\right)\left(s+3\right)}$
$8a^4+0a^3-6a^2+0a-9$
$csc^3x=\left(1+cot^2x\right)cscx$
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