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Trigonometry Examples
Step 1
Since is an odd function, rewrite as .
Step 2
Step 2.1
Add parentheses.
Step 2.2
Reorder and .
Step 2.3
Add parentheses.
Step 2.4
Rewrite in terms of sines and cosines.
Step 2.5
Cancel the common factors.
Step 3
Multiply by .