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Trigonometry Examples
Step 1
Step 1.1
Simplify .
Step 1.1.1
Rewrite in terms of sines and cosines, then cancel the common factors.
Step 1.1.1.1
Add parentheses.
Step 1.1.1.2
Reorder and .
Step 1.1.1.3
Rewrite in terms of sines and cosines.
Step 1.1.1.4
Cancel the common factors.
Step 1.1.2
Rewrite in terms of sines and cosines, then cancel the common factors.
Step 1.1.2.1
Add parentheses.
Step 1.1.2.2
Reorder and .
Step 1.1.2.3
Rewrite in terms of sines and cosines.
Step 1.1.2.4
Cancel the common factors.
Step 1.1.3
Multiply by .
Step 2
Since , the equation will always be true for any value of .
All real numbers
Step 3
The result can be shown in multiple forms.
All real numbers
Interval Notation: