1 Answer

Julieth · Answer 1 · 2023-09-26T23:07:00+0000

We have the following:

$y=\cos x$

The domain of a function are the input values that the function can take or the values of the x-axis.

In this case, the x-axis can take any value, that is, the domain would be

$(-\infty,\infty)$

From negative infinity to positive infinity, that is, all numbers

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