# Trigonometry Examples

,
To find the value of , use the fact that so then substitute in the known values.
Simplify the result.
Multiply the numerator by the reciprocal of the denominator.
Cancel the common factor of .
Factor out the greatest common factor .
Cancel the common factor.
Rewrite the expression.
Multiply and to get .
To find the value of , use the fact that then substitute in the known values.
Simplify the result.
Multiply the numerator by the reciprocal of the denominator.
Multiply by to get .
To find the value of , use the fact that then substitute in the known values.
Simplify the result.
Multiply the numerator by the reciprocal of the denominator.
Multiply by to get .
To find the value of , use the fact that then substitute in the known values.
Simplify the result.
Multiply the numerator by the reciprocal of the denominator.
Multiply by to get .
The trig functions found are as follows:

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