$\frac{1}{16}\cos\left(2x\right)^4$
$-6x+8y=24$
$\frac{d}{dx}12x^2+8$
$x^2+7x-8=0$
$12m^2+25m+12$
$\left(-60\right)-\left(-22\right)$
$cosa\left(sena-cosa\right)=sen^2a$
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