# Chapter 3 - Radian Measure and the Unit Circle - Section 3.1 Radian Measure - 3.1 Exercises - Page 105: 70

$\dfrac{\sqrt3}{3}$

#### Work Step by Step

Convert the angle measure to degrees to obtain: $=\frac{\pi}{3} \cdot \frac{180^o}{\pi} = 60^o$ Thus, $\cot{\frac{\pi}{3}} \\= \cot{60^o}$ From Section 2.1 (page 50) , we learned that: $\cot{\frac{\pi}{3}} = \cot{60^o}=\dfrac{\sqrt3}{3}$

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