Using a Calculator In Exercises 75–90,use a calculator to evaluate the trigonometricfunction. Round your answer to four decimalplaces. (Be sure the calculator is in thecorrect mode.)75. sin 10° 76. tan 304°77. cos(−110°) 78. sin(−330°)79. cot 178° 80. sec 72°81. csc 405° 82. cot(−560°)83. tanπ9 84. cos2π785. sec11π8 86. csc15π487. sin(−0.65) 88. cos 1.3589. csc(−10) 90. sec(−4.6)
Using a Calculator In Exercises 75–90,use a calculator to evaluate the trigonometricfunction. Round your answer to four decimalplaces. (Be sure the calculator is in thecorrect mode.)75. sin 10° 76. tan 304°77. cos(−110°) 78. sin(−330°)79. cot 178° 80. sec 72°81. csc 405° 82. cot(−560°)83. tanπ9 84. cos2π785. sec11π8 86. csc15π487. sin(−0.65) 88. cos 1.3589. csc(−10) 90. sec(−4.6)
Trigonometry (MindTap Course List)
10th Edition
ISBN:9781337278461
Author:Ron Larson
Publisher:Ron Larson
Chapter1: Trigonometry
Section: Chapter Questions
Problem 32RE
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Question
Using a Calculator In Exercises 75–90,
use a calculator to evaluate the trigonometric
function. Round your answer to four decimal
places. (Be sure the calculator is in the
correct mode.)
75. sin 10° 76. tan 304°
77. cos(−110°) 78. sin(−330°)
79. cot 178° 80. sec 72°
81. csc 405° 82. cot(−560°)
83. tan
π
9 84. cos
2π
7
85. sec
11π
8 86. csc
15π
4
87. sin(−0.65) 88. cos 1.35
89. csc(−10) 90. sec(−4.6)
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