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4 February, 09:32

What is the domain of f (x) = cos (x) ?

the set of real numbers - 2x3x32x

the set of real numbers - 1 5x51

the set of real numbers 0 SXS2

the set of all real numbers

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Answers (1)
  1. 4 February, 09:36
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    domain of cos (x) is R, i. e, all real number but range is (-1, 1)

    'set of all real number'is answer!
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