Question: Please answer and explain Explain why f(x) = cos(x) is even using the unit circle.. WE+I+h1 hm represents a derivative f ' (a). h>O I!

Please answer and explain Explain why f(x) = cos(x) is even using the unit circle.. WE+I+h1 hm represents a derivative f ' (a).

Please answer and explain

Explain why f(x) = cos(x) is even using the unit circle.. WE+I+h1 hm represents a derivative f ' (a). h>O I! What function f (x) and value a is it the derivative of

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