Precalculus Examples

$\cos (θ) = \frac{7}{9}$

Step 1

Subtract

$\frac{7}{9}$ from both sides of the equation.

$\cos (θ) - \frac{7}{9} = 0$

Step 2

The degree cannot be determined because

$\cos (θ) - \frac{7}{9}$ is not a polynomial.

Not a polynomial

$[\begin{array}{c} x^{2} & \frac{1}{2} \\ \sqrt{π} & \int x d x \end{array}]$