If the value, to the nearest thousandth, of cos is 0.385, which of the following could
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If the value, to the nearest thousandth, of cos α is −0.385, which of the following could be true about α?
F. 2π/3 ≤ α ≤ π
G. π/2 ≤ α ≤ 2π/3
H. π/3 ≤ α ≤ π/2
J. π/6 ≤ α ≤ π/3
K. 0 ≤ α ≤ π/6
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The correct answer is G You must know something about the values of cosine functions at c…View the full answer
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