### Evaluating Trigonometric Functions Using Technolo…

01:26
University of California, Berkeley
Problem 27

Evaluating Trigonometric Functions Using Technology
In Exercises $25-28$ , use a calculator to evaluate each trigonometric function. Round your answers to four decimal places.
$$\begin{array}{l}{\text { (a) } \tan \frac{\pi}{9}} \\ {\text { (b) } \tan \frac{10 \pi}{9}}\end{array}$$

(a) $\tan \left(\frac{\pi}{9}\right)=0.3640$
(b) $\tan \left(\frac{10 \pi}{9}\right)=0.3640$

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## Video Transcript

Okay, So for use a calculator, we get the tangent of high. Overnight is equal to 0.3639 and then attendants of 10 pie over night in the same thing, Darryl Points 3639