`tan(pi/9)` Use a calculator to evaluate the trigonometric function. Round your answer to four decimal places.

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Textbook Question

Chapter 4, 4.4 - Problem 85 - Precalculus (3rd Edition, Ron Larson).
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kspcr111 | In Training Educator

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`Tan(pi/9)= tan(20^@) = 0.3640`

is the answer

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