Enter a problem...
Trigonometry Examples
Step 1
Apply pythagorean identity.
Step 2
Step 2.1
Factor out of .
Step 2.2
Cancel the common factors.
Step 2.2.1
Multiply by .
Step 2.2.2
Cancel the common factor.
Step 2.2.3
Rewrite the expression.
Step 2.2.4
Divide by .