Trigonometry Examples

Find the Exact Value tan((5pi)/3)
Find the value using the definition of tangent.
Substitute the values into the definition.
Simplify the result.
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Multiply the numerator by the reciprocal of the denominator.
Cancel the common factor of .
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Move the leading negative in into the numerator.
Write as a fraction with denominator .
Factor out the greatest common factor .
Cancel the common factor.
Rewrite the expression.
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Multiply and .
Divide by .
The result can be shown in both exact and decimal forms.
Exact Form:
Decimal Form:
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