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14 June, 00:19

The domain of the cosine function is A. Pi B. 2pi C. All real numbers D. [-1,1]

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  1. 14 June, 00:55
    0
    the cosine is a cyclical function, so it cycles through from 0 all the way to the left and from 0 all the way to the right, nonstop, so its domain is (-∞, + ∞), namely all real numbers.
  2. 14 June, 03:22
    0
    Answer: all real numbers

    C.)

    Step-by-step explanation: APEX
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