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Mathematics 7 Online
OpenStudy (anonymous):

a. Find the x-coordinates of all points on the graph at f at which the tangent line is horizontal. b. Find an equation of the tangent line to the graph of f at P. f(x) = x + 2 cos x; P(0, f(0))

OpenStudy (anonymous):

Can anybody help with this problem?

OpenStudy (anonymous):

Does anyone know the answer to this? Really need a solution as quickly as possible!

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