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

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A: for simplicity use the variable  for

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A: here  2sin2θ +13sinθ = -6 2sin2θ +13sinθ +6 = 0 2sin2θ +12sinθ + sinθ  + 6 = 0 2sinθ(sinθ  +6) +…

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A: Note that:

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