Trigonometry Examples

,
Step 1
To find the value of , use the fact that then substitute in the known values.
Step 2
Simplify the result.
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Multiply the numerator by the reciprocal of the denominator.
Multiply by .
Step 3
To find the value of , use the fact that then substitute in the known values.
Step 4
Simplify the result.
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Multiply the numerator by the reciprocal of the denominator.
Multiply by .
Step 5
To find the value of , use the fact that so then substitute in the known values.
Step 6
Simplify the result.
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Cancel the common factor of .
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Cancel the common factor.
Rewrite the expression.
Combine and .
Step 7
To find the value of , use the fact that then substitute in the known values.
Step 8
Simplify the result.
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Multiply the numerator by the reciprocal of the denominator.
Multiply by .
Step 9
The trig functions found are as follows:
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