Answer
0.577
Explanation
The value of pi (Π) radians is 180o. For you to find the trigonometric ratio tan, you can first convert the angles in radians to degrees.
2π=360°
This means π=180°
So, tan〖π/6〗=tan〖180/6〗
=tan30
=0.577350269
To the nearest thousandths tan〖30°〗=0.577