In Problems 71-80, solve each equation on the interval 0s0< 2m. 71. cos (20) + 6 sin e = 4 72. cos (20) = 2 – 2 sin? e 73. cos (20) = cos e 74. sin (20) = cos e 75. sin (20) + sin (40) = 0 76. cos (20) + cos ( 40) = 0 77. 3 - sin 0 = cos (20) 78. cos (20) + 5 cos 0 + 3 = 0 79. tan (20) + 2 sin 0 = 0 80. tan (20) + 2 cos 0 = 0 Mixed Practice
In Problems 71-80, solve each equation on the interval 0s0< 2m. 71. cos (20) + 6 sin e = 4 72. cos (20) = 2 – 2 sin? e 73. cos (20) = cos e 74. sin (20) = cos e 75. sin (20) + sin (40) = 0 76. cos (20) + cos ( 40) = 0 77. 3 - sin 0 = cos (20) 78. cos (20) + 5 cos 0 + 3 = 0 79. tan (20) + 2 sin 0 = 0 80. tan (20) + 2 cos 0 = 0 Mixed Practice
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.3: The Addition And Subtraction Formulas
Problem 72E
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In Problems 71–80, solve each equation on the interval 0 ≤ θ < 2π
![In Problems 71-80, solve each equation on the interval 0s0< 2m.
71. cos (20) + 6 sin e = 4
72. cos (20) = 2 – 2 sin? e
73. cos (20) = cos e
74. sin (20) = cos e
75. sin (20) + sin (40) = 0
76. cos (20) + cos ( 40) = 0
77. 3 -
sin 0 = cos (20)
78. cos (20) + 5 cos 0 + 3 = 0
79. tan (20) + 2 sin 0 = 0
80. tan (20) + 2 cos 0 = 0
Mixed Practice](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F21f9e8a3-c021-48dc-a833-f29ca3e42900%2F10c240ed-242c-4875-9c20-ae6cff41aee2%2Fixowik_processed.png&w=3840&q=75)
Transcribed Image Text:In Problems 71-80, solve each equation on the interval 0s0< 2m.
71. cos (20) + 6 sin e = 4
72. cos (20) = 2 – 2 sin? e
73. cos (20) = cos e
74. sin (20) = cos e
75. sin (20) + sin (40) = 0
76. cos (20) + cos ( 40) = 0
77. 3 -
sin 0 = cos (20)
78. cos (20) + 5 cos 0 + 3 = 0
79. tan (20) + 2 sin 0 = 0
80. tan (20) + 2 cos 0 = 0
Mixed Practice
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