$\cos\left(x-\pi\right)=\cos\left(x\right)$
$3.14d=c$
$-8\cos^2\theta\:+2\cos\theta\:=-1$
$5ab+2xy-3ab+5xy^2+2ab-2xy^2-15ab$
$\sqrt[2]{448}$
$53-10x+8-2x+y$
$4x^2-16x-36$
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!