Trigonometry Examples

Step 1
Apply pythagorean identity.
Step 2
Cancel the common factor of and .
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Step 2.1
Multiply by .
Step 2.2
Cancel the common factors.
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Step 2.2.1
Factor out of .
Step 2.2.2
Cancel the common factor.
Step 2.2.3
Rewrite the expression.
Step 3
Convert from to .
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