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# Trigonometry Examples

To remove the radical on the left side of the equation, square both sides of the equation.

Simplify the left side of the equation.

Raise to the power of .

Move all terms not containing to the right side of the equation.

Subtract from both sides of the equation.

Subtract from .

Take the root of both sides of the to eliminate the exponent on the left side.

The complete solution is the result of both the positive and negative portions of the solution.

Simplify the right side of the equation.

Rewrite as .

Factor out of .

Rewrite as .

Pull terms out from under the radical.

The complete solution is the result of both the positive and negative portions of the solution.

First, use the positive value of the to find the first solution.

Next, use the negative value of the to find the second solution.

The complete solution is the result of both the positive and negative portions of the solution.

The result can be shown in multiple forms.

Exact Form:

Decimal Form: