Enter a problem...
Trigonometry Examples
Step 1
Step 1.1
Simplify .
Step 1.1.1
Rearrange terms.
Step 1.1.2
Apply pythagorean identity.
Step 1.1.3
Rewrite in terms of sines and cosines.
Step 1.1.4
Simplify the expression.
Step 1.1.4.1
Apply the product rule to .
Step 1.1.4.2
One to any power is one.
Step 1.1.5
Apply pythagorean identity.
Step 1.1.6
Cancel the common factor of .
Step 1.1.6.1
Cancel the common factor.
Step 1.1.6.2
Rewrite the expression.
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: