1. What do you call the angles which when drawn at the standard position share a terminal side?

a. Central angles

b. Coterminal angles

c. Reference angles

d. Reflex angles

2. Which among the following is/are quadrantal angles?

I. 0, 45, 90, 270, 360

II. 0, 90, 180, 270, 360

III. 0, 90, 180, 270, 360, 720

a. I only

b. I and II

c. II and III

d. I and III

3. What is the value of sin of the angle if the terminal side of in standard position passes through the point (5, -12)?

a. -13/12

b. -12/13

c. 5/13

d. 13/5