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# Trigonometry Examples

Rewrite the equation as .

Move to the left side of the equation by subtracting it from both sides.

Subtract from .

Factor out of .

Factor out of .

Rewrite as .

Factor out of .

Factor out of .

Set the factor equal to .

Use the quadratic formula to find the solutions.

Substitute the values , , and into the quadratic formula and solve for .

Simplify.

Simplify the numerator.

Raise to the power of .

Multiply by .

Multiply by .

Subtract from .

Multiply by .

The final answer is the combination of both solutions.

The solution is the result of .

The result can be shown in multiple forms.

Exact Form:

Decimal Form: