# Precalculus Examples

Separate fractions.

Rewrite in terms of sines and cosines.

Multiply by the reciprocal of the fraction to divide by .

Write as a fraction with denominator .

Divide by .

Write as a fraction with denominator .

Multiply and .

Rewrite in terms of sines and cosines.

Multiply the numerator by the reciprocal of the denominator.

Multiply by .

Raise to the power of .

Raise to the power of .

Use the power rule to combine exponents.

Add and .

Multiply and .

Raise to the power of .

Raise to the power of .

Use the power rule to combine exponents.

Add and .

Convert from to .