[HighSchool PreCalc] Trigonometric Functions

Instructions: The terminal side of θ lies on the given line in the specific quadrant. Find the values of the six trigonometric functions of θ. Question: y = 1/2X ; Quadrant III Sin θ = Cos θ = Tan θ = Cot θ = Sec θ = Csc θ =

I am more interested in how to do than simply what the answers are so please don't just post the answers but in a detailed way explain how you got the answers