SOLUTION: cos (squared) theta = 1/2
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Question 800158
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cos (squared) theta = 1/2
Answer by
Cromlix(4381)
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cos^2 (theta) = 1/2
cos theta = 1/root2
theta = 45 degrees, 315 degrees, 45 + 360n, 315 + 360n
theta = Pi/4, 7Pi/4, Pi/4 + 360n, 7Pi/4 + 360n.
Hope this helps.
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