$\frac{\csc\left(t-1\right)}{\cot\left(t\right)}$
$1.375+\left(-2.408\right)$
$x^4-3x^3+29x^2$
$9\left(\frac{x}{3}\right)^8\left(-1\right)$
$-2x\left(5x^3+11x^2-2.7x\right)$
$\frac{x^6+x^3-2x^2+3}{x^2-2}$
$5=5$
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