Use a graphing calculator to solve the equation 3 tan 1/3 theta

Really need on these. i have no idea what to do

What is true about the dilation? it is a reduction with a scale factor between 0 and 1. it is a reduction with a scale factor greater than 1. it is an enlargement with a scale factor between 0 and 1. it is an enlargement with a scale factor greater than 1.

[15 points, algebra 2]simplify the complex fraction and find the restrictions.