SOLUTION: Find the stationary points and point of inflexion of the function y=cosx, for 0≤x≤π

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Question 1013244: Find the stationary points and point of inflexion of the function y=cosx, for 0≤x≤π
Answer by Alan3354(69443) About Me  (Show Source):
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Find the stationary points and point of inflexion of the function y=cosx, for 0≤x≤π
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y' = -sin(x) = 0 at stationary points
x = 0, x = pi
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y" = -cos(x) = 0 at inflections.
x = pi/2