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What is the domain of y = cos X? O A. All real numbers OB. + NT O C. x + nT OD. -1 ≤ y ≤1 I​

User YuriyP
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Answer:

The domain of y = cos x is the set of all real numbers.

Therefore, the correct option is O A. All real numbers.

Explanation:

The domain of y = cos x is the set of all real numbers.

Therefore, the correct option is O A. All real numbers.

User Saurabh Sinha
by
7.8k points
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