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Trigonometry Examples
Step 1
Step 1.1
Multiply by .
Step 1.2
Simplify by adding terms.
Step 1.2.1
Subtract from .
Step 1.2.2
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: