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# Trigonometry Examples

Rewrite the equation as .

Take the inverse arctangent of both sides of the equation to extract from inside the arctangent.

Factor out of .

Cancel the common factors.

Factor out of .

Cancel the common factor.

Rewrite the expression.

Multiply each term by and simplify.

Multiply each term in by .

Cancel the common factor of .

Cancel the common factor.

Rewrite the expression.

Reorder factors in .

Rewrite the equation as .

Divide each term by and simplify.

Divide each term in by .

Cancel the common factor of .

Cancel the common factor.

Divide by .

Simplify .

Separate fractions.

Rewrite in terms of sines and cosines.

Multiply by the reciprocal of the fraction to divide by .

Convert from to .

Divide by .