For the problems below you are given one trig ratio and the quadrant of the angle. You are to find the other 5 trig ratios.
1. sin(a) = -12/13; and a is in quadrant Il.
2. cos(B) = 1/3 and B is in quadrant IV.
3. sin(y) = 3/4 and y is in quadrant I

Suppose you are an avid reader and are looking to save money on the cost of books instead of paying about $20 for each book, you decide to look into purchasing a kindle for $120 you can purchase e-books for about $5 each 1. find the slope-intercept equation for the cost of the hard copy of books using x to represent the number of books 2. find the slope-intercept equation for the cost of the kindle with cost of e-books using x to represent the number of books