$\left(m^2+n^2+g^2\right)^2$
$\tan^2\left(90-b\right)+1$
$x+7<11$
$v+15=75$
$-x^2=-3x-18$
$\arctan\left(2\left(\frac{-\sqrt{5}+3}{2}\right)-5\right)$
$a^4-5a^2+25$
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