73,79,85,91 117T24. cot 2In Problems 21-30, find the exact value. Do not use a calculator.22. cos (7)25. csc230. tan (-37)388 CHAPTER 6 Trigonometric Functions23. tan (6m)29. sec (-7)Mix11m21. sin2128. sin (-3m)27. cos10726. sec (8m)m Problems 31-46, find the exact value of each expression, Do not use a calculator.31. sin 45° + cos 60"34. cos 180° - sin lo33. sin 90° + tan 45°1138. sec 30° cot 4532. sin 30° - cos 45°37. csc 45° tan 60°42. 2 sin446. sec T - csc- 3 tan3.+ 3 tan11-36. tan 45° cos 3041. 2 sin35. sin 45° cos 4540. 5 cos 90° - 8 sin 270+ cot239. 4 sin 90° - 3 tan 180°45. csc+ cot44. 3 cscanl43. 2 sec+ 4 cot3.51.411752.Do not use a calculator.50. 240°42m47.5m48.49. 210°oon58, -57.55, 405°56. 390°6.13754.653.14763.13764. -62. 5т61.59. - 135°60. -240°In Problems 65-76, use a calculator to find the approximate value of each expression rounded to two decimal places\65. sin 28°68. cot 70°67. sec 21°66. cos 14°71. cot1272. csc1369. tan1070. sin875. sin 1°76. tan 1º73. sin 174. tan 1Visludeov bIn Problems 77–84, a point on the terminal side of an angle 0 in standard position is given. Find the exact value of egch atatrigonometric functions of 0.\ 77. (-3, 4)78. (5, - 12)79. (2, -3)80. (-1, –2)1 183.81. (-2, –2)82. (-1,1)84. (0.3,0.4)85. Find the exact value of:89. If f(0) = sin 6 0.1, find f(0 + m).sin 45° + sin 135° + sin 225° + sin 315°90. If f(0) = cos R 0.3, find f(0 + 7).86. Find the exact value of:91. If f(0) = tan 3, find f(0 + 1).tan 60° + tan 150°92. If f(0) = cot 4 = -2, find f(0 + T).87. Find the exact value of:1find csc 0.5°sin 40° + sin 130° + sin 220° + sin 310°93. If sin 0 =88. Find the exact value of:2find sec 0.tan 40° + tan 140°94. If cos 0 =In Problems 95-106, f(0) = sin 0 and g(0) = cos 0. Find the exact value of each function below if 095. f(0)= 60°. Do not use a calcula96. g(0)97. f98. g99. [f(0)]²100. [g(0)]?101. f(20)103. 2f(0)102. g(20)104. 2g(0)105. f(-0)106. g(-0)

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In Problems 65-76, use a calculator to find the approximate value of each expression roune 66. cos 14° 68. cot 70° 67. sec 21° 57 72. csc 13 65. sin 28° 71. cot 12 69. tan 10 70. sin 8. 76. tan 1° 75. sin 1° 74. tan 1 73. sin 1 Visludeou In Problems 77–84, a point on the terminal side of an angle 0 in standard position is given. Find the exact value of eac trigonometric functions of 0. 79. (2,-3) 80. (-1, -2) 77. (-3,4) 78. (5, –12) 81. (-2, -2) 82. (-1,1) 83. 84. (0.3,0.4) 85. Find the exact value of: 89. If f(0) = sin 6- 0.1, find f(0 + 7). sin 45° + sin 135° + sin 225° + sin 315° 90. If f(0) 0.3, find f(0 + 7). 3, find f(0 + 7). Cos %3D 86. Find the exact value of: 91. If f(0) = tan