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March 26, 2017

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I am having trouble solving this problem:

"Find where the tangent line is horizontal for r=1+cos(theta)"

I would really appreciate the feedback, I'd like to know how to go about solving problems like these. Thank you!

  • Calculus - ,

    Where the derivative is zero

    dr/dT = - sin T
    so when T = 0 or n * pi

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