Enter a problem...
Trigonometry Examples
Step 1
Move the negative in front of the fraction.
Step 2
To write as a fraction with a common denominator, multiply by .
Step 3
To write as a fraction with a common denominator, multiply by .
Step 4
Step 4.1
Multiply by .
Step 4.2
Multiply by .
Step 4.3
Reorder the factors of .
Step 5
Combine the numerators over the common denominator.
Step 6
Step 6.1
Expand using the FOIL Method.
Step 6.1.1
Apply the distributive property.
Step 6.1.2
Apply the distributive property.
Step 6.1.3
Apply the distributive property.
Step 6.2
Simplify each term.
Step 6.2.1
Rewrite using the commutative property of multiplication.
Step 6.2.2
Multiply by by adding the exponents.
Step 6.2.2.1
Move .
Step 6.2.2.2
Multiply by .
Step 6.2.2.2.1
Raise to the power of .
Step 6.2.2.2.2
Use the power rule to combine exponents.
Step 6.2.2.3
Add and .
Step 6.2.3
Multiply by .
Step 6.2.4
Multiply by .
Step 6.2.5
Multiply by .
Step 6.3
Apply the distributive property.
Step 6.4
Simplify.
Step 6.4.1
Multiply by .
Step 6.4.2
Multiply by .
Step 6.4.3
Multiply by .
Step 6.5
Add and .
Step 6.6
Add and .
Step 6.7
Reorder terms.
Step 7
Step 7.1
Factor out of .
Step 7.2
Factor out of .
Step 7.3
Factor out of .
Step 7.4
Factor out of .
Step 7.5
Factor out of .
Step 7.6
Factor out of .
Step 7.7
Factor out of .
Step 7.8
Rewrite as .
Step 7.9
Factor out of .
Step 7.10
Simplify the expression.
Step 7.10.1
Rewrite as .
Step 7.10.2
Move the negative in front of the fraction.