$\frac{\frac{y^{2}+y-12}{y^{2}+3y-4}}{\frac{y-3}{y^{2}-1}}$
$z=5x^2-2y$
$-5+3-\left(-2\right)+\left(+3\right)$
$\left(1-2cos^2x+cos^4x\right)^2$
$a-a-b+a^2+5b$
$cos\frac{7\pi}{12}cos\:\frac{5\pi}{12}+sin\frac{7\pi}{12}sin\frac{5\pi}{12}$
$3x^2-4x+1$
Get a preview of step-by-step solutions.
Earn solution credits, which you can redeem for complete step-by-step solutions.
Save your favorite problems.
Become premium to access unlimited solutions, download solutions, discounts and more!