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sin  > 0 cos  < 0 tan  < 0

Quadrant 2. Quadrant I. Quadrant 2. Quadrant I. sin  > 0 cos  < 0 tan  < 0. csc  > 0 sec  < 0 cot  < 0. sin  > 0 cos  > 0 tan  > 0. csc  > 0 sec  > 0 cot  > 0. sin  > 0 cos  < 0 tan  < 0. csc  > 0 sec  < 0 cot  < 0. sin  > 0

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sin  > 0 cos  < 0 tan  < 0

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  1. Quadrant 2 Quadrant I Quadrant 2 Quadrant I sin > 0 cos < 0 tan < 0 csc > 0 sec < 0 cot < 0 sin > 0 cos > 0 tan > 0 csc > 0 sec > 0 cot > 0 sin > 0 cos < 0 tan < 0 csc > 0 sec < 0 cot < 0 sin > 0 cos > 0 tan > 0 csc > 0 sec > 0 cot > 0 Quadrant 3 Quadrant 3 Quadrant 4 Quadrant 4 csc < 0 sec < 0 cot > 0 csc < 0 sec < 0 cot > 0 sin < 0 cos > 0 tan < 0 csc < 0 sec > 0 cot < 0 sin < 0 cos > 0 tan < 0 csc < 0 sec > 0 cot < 0 sin < 0 cos < 0 tan > 0 sin < 0 cos < 0 tan > 0 #13a. sin  <0 , cos <0 in quadrant III #13b. sec >0 , cot <0 in quadrant IV #13a. sin  <0 , cos <0 in quadrant III #13b. sec >0 , cot <0 in quadrant IV #14a. sin>0 , cos <0 in quadrant II #14b. csc>0 , tan >0 in quadrant III #14a. sin>0 , cos <0 in quadrant II #14b. csc>0 , tan >0 in quadrant III #23a.  0.1736 #23b.  5.759 #24a.  -1.414 #24b.  -1.414 #25a.  0.3640 #25b.  0.3640 #26a.  0.2244 #26b.  4.4552 #23a.  0.1736 #23b.  5.759 #24a.  -1.414 #24b.  -1.414 #25a.  0.3640 #25b.  0.3640 #26a.  0.2244 #26b.  4.4552

  2. p.249 p.249 #7a. sin(540) = 0 b. cos (540) = -1 c. tan (540) = 0 #6a. sin(-) =1 b. cos (-) = 0 c. tan (-) is undefined #7a. sin(540) = 0 b. cos (540) = -1 c. tan (540) = 0 #6a. sin(-) =1 b. cos (-) = 0 c. tan (-) is undefined #8. Since tangent is equal to sine divided by cosine, tangent will be undefined when cosine is equal to zero or at …- , . , … #9 200 #10  #8. Since tangent is equal to sine divided by cosine, tangent will be undefined when cosine is equal to zero or at …- , . , … #9 200 #10  #11a. sin(-10) -0.174 #12a. Tan(-10)-.0176 #11b & 12b. -10 is 10 degrees in the clockwise direction from the initial ray. That is quadrant IV where cosine is positive, sine and tangent are both negative. #13. In quadrant II a. cos  < 0 b. sin < 0 c. tan >0 #14. sin<0 , cos <0 in quadrant III #11a. sin(-10) -0.174 #12a. Tan(-10)-.0176 #11b & 12b. -10 is 10 degrees in the clockwise direction from the initial ray. That is quadrant IV where cosine is positive, sine and tangent are both negative. #13. In quadrant II a. cos  < 0 b. sin < 0 c. tan >0 #14. sin<0 , cos <0 in quadrant III

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