$2\cos^2\left(a\right)+3\sin^2\left(a\right)=3-\cos^2\left(a\right)$
$\left(a^{2n}\right)^2$
$-2x^3+2x^2+6x-4$
$x^2+\left(24-x\right)^2=290$
$-10x^2+7x+25\ge0$
$sin2x=sinx$
$x^2-6x+81$
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!