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Trigonometry Examples
Step 1
Rewrite as .
Step 2
Since both terms are perfect squares, factor using the difference of squares formula, where and .
Step 3
Step 3.1
Factor out of .
Step 3.1.1
Factor out of .
Step 3.1.2
Factor out of .
Step 3.1.3
Factor out of .
Step 3.2
Add and .
Step 3.3
Factor out of .
Step 3.3.1
Factor out of .
Step 3.3.2
Factor out of .
Step 3.3.3
Factor out of .
Step 3.4
Apply the distributive property.
Step 3.5
Multiply by .
Step 3.6
Multiply .
Step 3.6.1
Multiply by .
Step 3.6.2
Multiply by .
Step 3.7
Subtract from .