In Exercises 1 to 10, state whether the equation defines y as a function of x. y2 = x2

Contents: Index of theorems and rules, List of practice problems, and Exam review link. Trig: √ 2 √2 Look atterns: at adians (± 2 , ± 2 ) At / r (± 1,0) or (0,± 1) Etc Radians to degree # πx etc opposite adjacent sinx = hyp