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# Trigonometry Examples

Multiply by .

Multiply and .

Expand the denominator using the FOIL method.

Simplify.

Apply the distributive property.

Apply the distributive property.

Apply the distributive property.

Simplify each term.

Multiply .

Raise to the power of .

Raise to the power of .

Use the power rule to combine exponents.

Add and .

Rewrite as .

Rewrite as .

Apply the power rule and multiply exponents, .

Combine and .

Cancel the common factor of .

Cancel the common factor.

Divide by .

Evaluate the exponent.

Multiply by .

Multiply by .

Multiply by .

Subtract from .

Subtract from .

The result can be shown in multiple forms.

Exact Form:

Decimal Form: