$\int_{\frac{7\pi}{12}}^{\frac{3\pi}{4}}\left(\csc\left(2x\right)\cot\left(2x\right)\right)dx$
$4\sin^2x-4\sin x=3$
$4x+7+4x=-1$
$-0.9627+0.3965\cdot\log100$
$p^2-5p+6.25$
$\frac{6x^2-7x-5}{2x+6}$
$49x^2+28x+9$
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