$\frac{69+77}{2}$
$-12x-21x$
$sin\left(4x\right)=-8cos^3xsin\left(-x\right)-4cos\left(-x\right)sinx$
$cos2m\:=\:cosm$
$\frac{dq}{dp}\left(p^2+q^2=\left(3p-4q\right)^3\right)$
$9\cos^2x-1=0$
$\:\left(4a\:+\:5\right)^4$
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!