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The Unit Circle

What is the domain of a cosine function?

a. irrational numbers
b. All real numbers
c. rational numbers
d. positive integers

Please select the best answer from the choices provided

Respuesta :

gohan44gohan

Answer:

B. All real numbers

Step-by-step explanation:

I calculated it logically

Magiffan

Answer:

B) All real numbers

The graph of the cosine function looks like this: The domain of the function y=cos(x) is all real numbers (cosine is defined for any angle measure), the range is −1≤y≤1 .

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