$\left(\csc^2x-1\right)\sin^2x=\cos2x$
$\left(26\right)^0$
$10-\left(11-4+3\right)+\left(-5\right)+\left(-2+10\right)-\left(+11\right)$
$\left(\frac{2}{3}a\right)^3+\left(\frac{5}{4}b\right)^3$
$\int2e^{4x}\left(3-4e^{4x}\right)^3\:dx$
$1-2\cos^2r$
$g^2-8g+16$
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