How squaring both sides of a trigonometric equation can help solve the equation is demonstrated here. This lesson is 2 of 8 in the series titled "Solving an Equation by Squaring Both Sides."

How squaring both sides of a trigonometric equation can help solve the equation is demonstrated here. This lesson is 6 of 8 in the series titled "Solving an Equation by Squaring Both Sides."

How squaring both sides of a trigonometric equation can help solve the equation is demonstrated here.

Using the quadratic formula with terms that include trigonometric expressions is shown here. This lesson is 5 of 7 in the series titled "Solving an Equation Using the Quadratic Formula."

Equations that include trigonometric functions are introduced here. This lesson is 3 of 5 in the series titled "Trigonometric Equations."