Learn how to solve trigonometric equations. There are various methods that can be used to evaluate trigonometric equations, they include factoring out the gcf and simplifying the factored equation.

Solve the equation \(5\cos (6x - 20)^\circ + 3 = 7.25\), for \(0 \le x \le 180\).

This jingle has helped generations of algebra students recall the quadratic formula that solves every equation of the form $latex ax^2+bx+c=0$. The formula is as ...