$\sec\cdot\cos-\cos^2=\cos^2$
$20+90+bc$
$10x^2-20xy-10y^2$
$xy'-y=2x^3$
$x^2-\frac{3}{2}x\:+\frac{9}{4}$
$\left(4-2cosx\right)^2$
$\lim_{n\to\infty}\left(\left(2^n+3^n\right)^{\frac{1}{n}-1}\right)$
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!