Question

Convert (1, sqrt(3)) to polar form.

Answer 1

2, pi/3 is the answer. :)

Answer 2

You need a bit of trigonometry. 
Plot the point and a make a triangle the points are the Origin, the given point and one that is on the x axis just below the given point. 
You need to find out the angle from the x axis and the radius, or in other words the distance from the Origin.