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# Alg2 lesson 13-3

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### Alg2 lesson 13-3

1. 1. Find the exact values of the six trigonometricfunctions of  if the terminal side of  contains thepoint (8, –15). 8 -15 r (8, -15)
2. 2. 8 -1517
3. 3. x yr (x, y)
4. 4. Find the exact values of (-3, 4)the six trigonometric 5functions of  if the 4terminal side of  containsthe point (–3, 4). -3 x = -3 4 3 =5 y=4 r=5
5. 5. Sketch 330. Then find its reference angle. 330 = 180 + 150 = 180 + 90 + 60 The reference angle is 360 – 330 or 30.
6. 6. Sketch . Then findits reference angle.The reference angle is
7. 7. Find the exact value of .135 = 90 + 45 pos pos
8. 8. Suppose is an angle in standard position whoseterminal side is in Quadrant III andFind the exact values of the remaining fiveTrigonometric functions of . hyp opp -4 -3 5
9. 9. hyp =opp -4 -3 5