$cos^2\left(tan^2+1\right)$
$s^2+6s+7$
$\sin^2+\cos\left(\frac{17}{20}\right)^2=1$
$\left(-6x-2\right)^3$
$\left(x^3+x^2+x+1\right)^3$
$x^2-6x=86$
$-6529-2826$
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