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7 m 4 60. a. cos- b. cos 47 # 4

7 m 4 60. a. cos- b. cos 47 # 4

Trigonometry (MindTap Course List)
Trigonometry (MindTap Course List)
10th Edition
ISBN:9781337278461
Author:Ron Larson
Publisher:Ron Larson
Chapter1: Trigonometry
Section1.3: Right Triangle Trigonometry
Problem 1E: Match each trigonometric function with its right triangle definition....
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Number 60.
FunctionsT ercises 5-18 on the previous gonometric function. of trigonometric functions to find the value of the same dicated real number. a. cos b. cos a. sin cos(-3) 2T b. sin a. tan b. tan Y TT -iven. Use identities to necessary, rationalize 117 6 2 = =, cost= 11# , cos / = is given. Use the to find cost. 7 8 3 sec 2.3 + cos² V21 5 the value of each 3 4 5 V5 3 6 - cot2 each trigonometric In Exercises 53-60, the unit circle has been divided into eight equal arcs, corresponding to t-values of 0. 5п 3п 7п п п 3п 4'2'4 4'2' 4 TT.- a. Use the (x, y) coordinates in the figure to find the value of b. Use periodic properties and your answer from part (a) to find the value of the same trigonometric function at the the trigonometric function. indicated real number. 53. a. sin b. sin |-.-- 55. a. cos b. cos Vi 57. a. tan # 59. a. sin 3T 4 11 T 4 b. sin TT 2 9T 2 b. tan 177 휘 7 T 4 47 T 4 (-1,0) (0, 1) (0, -1) (1,0) 54. a. cos b. cos 56. a. sin b. sin and 27. 58. a. cot 60. a. cos 3 T 4 11π 4 ㅠ ENN 9T Vi b. cot- TT 2 15 T 2 b. cos 7m 4 47 T 4 哥 A In Exercises 61-70, use a calculator to find the value of the trigonometric function to four decimal places 75. sin(1+2m 76 sin(1+2 17. sin(-1-2 78. sin(-1-2 79. cost+cos 80. -cost +7 Application 81. The numbe (on Januar the function a. March 2 Find the day. b. June 21 the day To the of dayli c. Decem solstice dayligh of hour 82. The numb year (on J modeled b a. March Find th day. b. June 27 the da Find, to of dayl c. Decem solstice daulial
Transcribed Image Text:FunctionsT ercises 5-18 on the previous gonometric function. of trigonometric functions to find the value of the same dicated real number. a. cos b. cos a. sin cos(-3) 2T b. sin a. tan b. tan Y TT -iven. Use identities to necessary, rationalize 117 6 2 = =, cost= 11# , cos / = is given. Use the to find cost. 7 8 3 sec 2.3 + cos² V21 5 the value of each 3 4 5 V5 3 6 - cot2 each trigonometric In Exercises 53-60, the unit circle has been divided into eight equal arcs, corresponding to t-values of 0. 5п 3п 7п п п 3п 4'2'4 4'2' 4 TT.- a. Use the (x, y) coordinates in the figure to find the value of b. Use periodic properties and your answer from part (a) to find the value of the same trigonometric function at the the trigonometric function. indicated real number. 53. a. sin b. sin |-.-- 55. a. cos b. cos Vi 57. a. tan # 59. a. sin 3T 4 11 T 4 b. sin TT 2 9T 2 b. tan 177 휘 7 T 4 47 T 4 (-1,0) (0, 1) (0, -1) (1,0) 54. a. cos b. cos 56. a. sin b. sin and 27. 58. a. cot 60. a. cos 3 T 4 11π 4 ㅠ ENN 9T Vi b. cot- TT 2 15 T 2 b. cos 7m 4 47 T 4 哥 A In Exercises 61-70, use a calculator to find the value of the trigonometric function to four decimal places 75. sin(1+2m 76 sin(1+2 17. sin(-1-2 78. sin(-1-2 79. cost+cos 80. -cost +7 Application 81. The numbe (on Januar the function a. March 2 Find the day. b. June 21 the day To the of dayli c. Decem solstice dayligh of hour 82. The numb year (on J modeled b a. March Find th day. b. June 27 the da Find, to of dayl c. Decem solstice daulial
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