$-\frac{3}{2}=1+cosx$
$\left(2x+2h+3\right)^2$
$\sqrt{\frac{\sqrt[6]{x}-\sqrt[2]{y}}{\sqrt[4]{\left(\frac{x+y}{2}\right)^2}}}$
$43+\left|1+\left(-59\right)\right|$
$\cot-\frac{1}{\sqrt{3}}$
$cos^2x-sin^2x=1$
$8^27$
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