5. Which of the following is equal to ? C. 210° A. 60° B. 150° D. 330° 6. The terminal point of an arc in a unit circle is at 0 and lies in the secon quadrant. If sin 0 =, what is the secant value of 0? 13 13 A. 12 B. -12 C. - D. - 12 7. What is the reference angle in radians of the angle that measures 2700? А. п В. 1 c. D. =

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