$tanx=\:\frac{1-cos\left(2x\right)}{sin\left(2x\right)}$
$-7y+8x-9-3x+3-4y$
$\lim_{x\to\infty}\left(\frac{2}{x^2-3}\right)$
$\cos\left(4a\right)=\left(\cos2a^2\right)-\left(\sin2a^2\right)$
$\sqrt{x-4=12}$
$-3\cdot\left(-20\right)$
$x^5-8x^4+22x^3-26x^2+21x-18$
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!