SOLUTION: Find all t in the interval [0, 2π] satisfying (cos t)2 + 4 cos t + 3 = 0. (Enter your answers as a comma-separated list.)
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Question 493016: Find all t in the interval [0, 2π] satisfying (cos t)2 + 4 cos t + 3 = 0. (Enter your answers as a comma-separated list.) Answer by Alan3354(30982) (Show Source):
