$\frac{\cot^2x-1}{2\cot x}$
$\left(2\sqrt{z}+3b\right)\left(2\sqrt{z}-3b\right)$
$\lim_{x\to0}\frac{\tan\left(3x\right)}{\cos\left(4x\right)}$
$18y^{2}+15y-18$
$3-6-2+5+2+6-6$
$\left(6x^2y^2\right)^2$
$-5y\:+\:4+t=\frac{dy}{dt}$
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!