$\lim_{x\to y}\left(\frac{cos\left(xt\right)-\cos\left(yt\right)}{x^2}\right)$
$\left(-2\right)^2\cdot3-2\cdot3^2+\left(-2\right)\cdot3+3$
$-5\left(-5+w\right)$
$\:cos\left(\frac{\pi\:}{2}+x\right)=1$
$12x^2-9$
$4n^2+8n+3$
$\left(-2a^3-v\right)^3$
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!