Trigonometry Examples

Replace the variable with in the expression.
Rewrite in terms of sines and cosines.
Cancel the common factor of .
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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 .
is a full rotation so replace with .
The exact value of is .
The expression contains a division by . The expression is undefined.
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