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Trigonometry Examples
Step 1
Replace the with based on the identity.
Step 2
Add and .
Step 3
Step 3.1
Subtract from both sides of the equation.
Step 3.2
Combine the opposite terms in .
Step 3.2.1
Subtract from .
Step 3.2.2
Add and .
Step 4
Since , the equation will always be true for any value of .
All real numbers
Step 5
The result can be shown in multiple forms.
All real numbers
Interval Notation: