Find tan(30) (its a right triangle)

Use the 30-60-90 triangle.

Tan is opposite over adjacent.


Square roots cannot be on the bottom.


The bottom cancel out the square root bar.

Your answer is:


(It's best to memorize the 30-60-90 and the 45-45-90 triangles during trigonometry. It helps a lot.)

Hope this helps!

:)