Solve for all degree solutions and if 0° ≤ ? < 360°. Approximate all answers to the nearest tenth of a degree. (Enter your answers as a comma-separated list. If there is no solution, enter NO SOLUTION.) 4 cos ? − 7 = 6 cos ? − 4 (a) all degree solutions (Let k be any integer.) ? = (b)    0° ≤ ? < 360° ? =

Trigonometry (MindTap Course List)
8th Edition
ISBN:9781305652224
Author:Charles P. McKeague, Mark D. Turner
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Chapter6: Equations
Section6.1: Solving Trigonometric Equations
Problem 105PS
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Solve for all degree solutions and if 0° ≤ ? < 360°. Approximate all answers to the nearest tenth of a degree. (Enter your answers as a comma-separated list. If there is no solution, enter NO SOLUTION.)

4 cos ? − 7 = 6 cos ? − 4

(a) all degree solutions (Let k be any integer.)
? =
(b)    0° ≤ ? < 360°
? =
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