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Zeros of the cosine curve occur at which x-values, n being an integer?
Ax = 2nπ
Bx = (2n+1)π
Cx = (2n+1)π/2
Dx = (2n+1)π/4
Answer & Solution
Correct answer: C. x = (2n+1)π/2
Cosine vanishes at odd multiples of π/2, which is written (2n + 1)π/2.
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