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.) 2 cos  − 7 = 4 cos ? − 2   (a) all degree solutions (Let k be any integer.)  ⍬=   (b)    0° ≤ ? < 360°  ⍬=

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