Trigonometry Examples

Step 1
Since the angle is in the fourth quadrant, subtract from .
Step 2
Simplify the result.
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Step 2.1
To write as a fraction with a common denominator, multiply by .
Step 2.2
Combine fractions.
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Step 2.2.1
Combine and .
Step 2.2.2
Combine the numerators over the common denominator.
Step 2.3
Simplify the numerator.
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Step 2.3.1
Multiply by .
Step 2.3.2
Subtract from .
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