Trigonometry Examples

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