SOLUTION: cos^2 θ - 1 = 0

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Question 806251: cos^2 θ - 1 = 0
Answer by oscargut(2103) About Me  (Show Source):
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cos^2 θ - 1 = 0
-sin^2 θ = 0
sin (θ) = 0

Solution: θ = k(pi) , k integer
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