(x, y) Use the following diagram of a circle of radius r to answer the next TWO questions. The value of x in the diagram above is given by sin(0) b. r sin(0) c. cos(0) d. r cos(0) e. None of the above Given the diagram above, which of the following statements are true? a. 72 = 22 + 32 b. x = cos(0) c. y = sin(0) d. None of the above 3