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Trigonometry Examples
Step 1
For the two functions to be equal, the arguments of each must be equal.
Step 2
Since is on the right side of the equation, switch the sides so it is on the left side of the equation.
Step 3
Add and .
Step 4
Step 4.1
Subtract from both sides of the equation.
Step 4.2
Subtract from .
Step 5
Since , the equation will always be true for any value of .
All real numbers
Step 6
The result can be shown in multiple forms.
All real numbers
Interval Notation: