Use the quadratic formula to find all degree solutions and e if 0° s 0 < 360°. Use a calculator to 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? e - 2 cos e - 1 = 0 (a) all degree solutions (Let k be any integer.) (b) 0° s e < 360°

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