# Precalculus Examples

Rewrite in terms of sines and cosines.

Rewrite in terms of sines and cosines.

Simplify .

Write as a fraction with denominator .

Multiply and to get .

Raise to the power of .

Raise to the power of .

Use the power rule to combine exponents.

Add and to get .

Apply the distributive property.

Write as a fraction with denominator .

Multiply and to get .

Raise to the power of .

Raise to the power of .

Use the power rule to combine exponents.

Add and to get .

Factor out the greatest common factor .

Cancel the common factor.

Rewrite the expression.

Factor out the greatest common factor .

Cancel the common factor.

Rewrite the expression.

Multiply and to get .

Divide by to get .

Factor out of .

Separate fractions.

Convert from to .

Divide by to get .