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# Trigonometry Examples

The exact value of is .

Multiply the numerator by the reciprocal of the denominator.

Multiply and .

Evaluate .

Divide by .

Multiply each term by and simplify.

Multiply each term in by .

Cancel the common factor of .

Factor out of .

Cancel the common factor.

Rewrite the expression.

Rewrite the equation as .

Divide each term by and simplify.

Divide each term in by .

Cancel the common factor of .

Simplify .

Multiply the numerator by the reciprocal of the denominator.

Divide by .

Multiply .

Combine and .

Multiply by .

Divide by .

Exclude the solutions that do not make true.

No solution