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22-11-2016
Mathematics

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Find all points of extrema on the interval [0,2pi] if y=x-cosx ...?

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Аноним Аноним

23-11-2016

Thank you for posting your question here at brainly. I hope the answer will help you. Feel free to ask more questions here.

Below is the answer:

dy/dx = 1 + sin(x)

Setting this equal to zero:

sin(x) + 1 = 0
==> sin(x) = -1

This has solution x = 3π/2 only.

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