$\frac{\sin\left(d\right)}{\csc\left(d\right)}+\frac{\cos\left(d\right)}{\sec\left(d\right)}$
$\left(x^4-2\right)+4$
$82.16+7.64$
$\lim_{x\to1}\left(\frac{2x^3-2x}{x-3}\right)$
$2\int\left(e^{-a^2}\right)da$
$4^c=64$
$y^2+x^3=5$
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