Respuesta :

Answer:

Domain of the function f(x) = cos x : ( - infinity , + infinity)

Step-by-step explanation:

Let the given function f(x) = cos x

We need to find the domain set of the given function f(x) = cos x

Domain is the set of all possible value of x for which the function f(x) is defined.

Now, as the given function f(x) is defined for all the real values of x.

Domain of the function f(x) = cos x : ( - infinity , + infinity)

Hence, Domain : ( -∞ , +∞ )

Also, the graph of the given function f(x) = cos x is attached below :

Now, form the graph also we can see the graph of given function f(x) = cos x can attain all the real values starting from -infinity to +infinity

Ver imagen throwdolbeau
david8644

Answer:

(-∞,∞)

Step-by-step explanation:

The domain is the values that X can have and still have a result for the function, in this case X can take all of the values from the real numbers because theres a value of Cos for all of the real numbers from minus infinite to infinite. So the domain for F(X)=Cos(x) would be all of the real numbers.

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