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The equation sec x = 2 has which general solution, with n an integer?
Ax = 2nπ ± π/3
Bx = nπ ± π/3
Cx = nπ + π/3
Dx = 2nπ ± π/6
Answer & Solution
Correct answer: A. x = 2nπ ± π/3
Here cos x = 1/2, so x = 2nπ ± π/3.
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