## Algebra 2 (1st Edition)

$\dfrac{\sqrt 3}{3}$
1. Set the calculator in radian mode. 2. Need to click TAN for $\tan \dfrac{\pi}{6}$. 3. Then click the argument $\dfrac{\pi}{6}$. 4. Now click the ENTER Button. Thus, we get the answer $\tan \dfrac{\pi}{6}=\dfrac{\sqrt 3}{3}$