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For the following exercises, refer to Figure 25. Round to For the following exercises, refer to Figure 26. Round to two decimal places. two decimal places. r = 3 in 2n 5 140 r = 4.5 cm Figure 25 Figure 26 22. Find the arc length. 24. Find the are length. 23. Find the area of the sector. 25. Find the area of the sector. 43. Find X 85 36° 50° x 44. Find X. 115 56* 35° x GRAPHICAL For the following exercises, use the given point on the unit circle to find the value of the sine and cosine of t. 60. 61. 62. V2 (V31) 2 2 2 1) t VI V3 t 2 2 * . Y) 63. 64. V3. (1) 65. (4) VJ. 2 2 V2 t t 2 V2 2. (Y2YY) . , 66. 67. 1 t t Street V3 VI 2 (Y) VI) (1) . EXTENSIONS For the following exercises, evaluate. 90. 93. sin 94. sin (=)cos(7) 95. sin (77)cos(=7)

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