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Question: please do 9091 thank you...

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In Exercises &i -7.2,fll in the following table with the missing information. Approximate all non-exact to four decimal places answers cos t tan f 62, Ⅳ 63, Ⅲ 64, Ⅱ 65. 1 66. II 67, Ⅳ 0.6 -0.8 72.I In Exercises 73-78, use the negative-angle identities to compute the exact value of each of the following trigonometric functions. 10π 74. cos- 73. sin/-- 76. cscT In Exercises 79-90, find the exact value of each expression without using a calculator 75. sec- 77. tan 78. cot-11z 3 77 80, sin _ + cos- 81. 3sin-+2cos- 82. 2sin--cos- 79. sin-+cos π ππ 86. cotCSC_ 83. sin-cos_ 84. sincos 85. tan-sec 88. 3tan π + 5sec π 89. tan--cos- 90. sin+cot 87. csc--4cot- In Exercises 91-96, find the sine and cosine of the angle t in (0, 2m), in standard position, whose intersects the unit circle at the given point 91. (-1,0) 94. (0.8, - 0.6) 95. 4 3 95 (-12,-15) 96. (-,y) 94. (08-06) 13 13 please do 90,91 thank you
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