$\int\:\left(x^4-x^2+\frac{1}{x^3}-\frac{1}{x^2}\right)dx$
$csc^2x-6\cot\left(x\right)=2$
$2\sqrt[3]{16x^2y^7}$
$\frac{2}{6x-2}+\frac{x}{9x^2-1}$
$2.0447^{2\cos\left(1.570\right)}$
$-1\cdot17$
$\frac{\sec0-\cos0}{\sec0}=\sin^20$
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