kaydijune2002 kaydijune2002

06-02-2020
Mathematics

contestada

Select the function that is even.

1. f(x)=sin(x)

2. f(x)=cot(x)

3. f(x)=cos(x)

4. f(x)=tan(x)

Respuesta :

surjithayer10 surjithayer10

10-02-2020

Answer:

3

Step-by-step explanation:

f(-x)=cos(-x)=cos x=f(x)

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