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Use the even–odd properties to find the exact value of the expression. Do not use a calculator.

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Use the even–odd properties to find the exact value of the expression. Do not use a calculator.

tan (- π/4)
asked Jan 26, 2015 in PRECALCULUS by anonymous

1 Answer

0 votes

Step 1:

The expression is image.

Trigonometric even-odd properties: image.

image

Solution:

image

answered Jan 26, 2015 by Lucy Mentor

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