$\frac{\left(1-\cos\left(a\right)\right).\left(1+\cos\left(a\right)\right)}{\cos\left(a\right)}=\sec\left(a\right)-\cos\left(a\right)$
$9\left(3z\right)$
$\frac { x ^ { 2 } + 2 x - 3 } { x - 1 }$
$-3z^2-6z^2$
$\frac{3x^2-7x}{3x+2}$
$\left(4^f-3a\right)^3$
$776+546$
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!