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Find the exact value of the expression.

0 votes

Find the exact value of the expression.

tan 15o

asked Jan 27, 2015 in PRECALCULUS by anonymous

1 Answer

0 votes

Step 1:

The trigonometric expression is image.

image.

Difference formula of tangent function : image.

image

Rationalize the denominator with image.

                       image

image.

Solution :

image.

answered Jan 27, 2015 by joseph Apprentice

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