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Trigonometry Examples
Step 1
Step 1.1
Rewrite in terms of sines and cosines, then cancel the common factors.
Step 1.1.1
Rewrite in terms of sines and cosines.
Step 1.1.2
Cancel the common factors.
Step 1.2
Convert from to .
Step 2
For the two functions to be equal, the arguments of each must be equal.
Step 3
Step 3.1
Subtract from both sides of the equation.
Step 3.2
Subtract from .
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: