$cos3x\:=\:-1$
$\sqrt{x+3}+1=4$
$\frac{1-sin^2t}{sin\:t}=cos\:t\:cot\:t$
$-5+6-1+8+2-6-4$
$x+1>3$
$-9-\left(-19\right)$
$\lim_{x\to\frac{\pi}{2}}\left(\frac{\tan\left(x\right)}{\frac{21}{2x-21}}\right)$
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!