$sen\theta\:+\cos\:\left(\theta\:\right)\cot\:\left(\theta\:\right)=\csc\:\left(\theta\:\right)$
$-12\left(35\right)$
$\left(\sec\left(x\right)+1\right)\left(\sec\left(x\right)+1\right)=\tan\left(x\right)^2$
$6x^2-15x+22$
$41^2$
$8\sin^2\left(x\right)=2+\frac{4}{\csc\left(x\right)}$
$\cos^2\left(\sec^2x-\cos\left(x\right)\right)$
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