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# Trigonometry Examples

To write as a fraction with a common denominator, multiply by .

To write as a fraction with a common denominator, multiply by .

Combine.

Combine.

Reorder the factors of .

Combine the numerators over the common denominator.

Factor out of .

Factor out of .

Factor out of .

Apply the distributive property.

Multiply by .

Subtract from .

Subtract from .

Subtract from .

Combine exponents.

Raise to the power of .

Raise to the power of .

Use the power rule to combine exponents.

Add and .

Move the negative in front of the fraction.