$\int xcsc^2\left(10x^2-1\right)dx$
$\int\frac{1}{\sec^5\left(2x\right)}dx$
$\frac{0}{-14}$
$\lim_{x\to\frac{\pi}{2}}\left(\frac{\cos\left(x\right)-\frac{1}{2}}{x-\frac{\pi}{3}}\right)$
$\left(h+7\right)^2$
$\left(1+3t^{\left(3\right)}\right)^2$
$\:-13\:\cdot8$
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