$\frac{1}{\cos\left(x\right)+\sin\left(x\right)\cos\left(x\right)}$
$4.81\cdot6.1$
$\left|106-15\right|+\left(-77\right)$
$y\frac{x}{2}+1$
$6^{-2}\cdot6^7$
$cos\theta\:\:sec\theta\:\:-\frac{sec\theta\:}{cos\theta\:}$
$8\left(1\:+\:5n\right)\:=\:-312$
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