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A student wants every angle whose sine vanishes. For integer n, the solution set of sin x = 0 is
Ax = 2nπ
Bx = nπ/2
Cx = nπ
Dx = nπ/4
Answer & Solution
Correct answer: C. x = nπ
The sine of an angle is zero only at integral multiples of π, so x = nπ.
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