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OpenStudy (anonymous):
is f(x)=x^2-2-cos(x), [0,π] a polynomial function? I think it is but i might be wrong.
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OpenStudy (swissgirl):
Umm I would disagree since it includes a trigonometric function
OpenStudy (anonymous):
So, because of the trig function, I was doubting myself the whole time but thank you.
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