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Homework Help: Need help with finding surface area of a solid of revolution

  1. Feb 10, 2013 #1
    1. Use the integration capabilities of a graphing utility to approximate the surface area of the solid of revolution. (Round your answer to four decimal places.)

    y = sin(x)

    [0, pi/4]

    revolved about the x-axis

    2. Use the area of a surface of revolution equation

    3. This was plug into the formula sin(x) sqrt(1+cos(x)^2)

    than i integrated it , and it became a mess.

    can anybody help me solve this, or even with a ti calculator if possible?
    Last edited by a moderator: Feb 10, 2013
  2. jcsd
  3. Feb 10, 2013 #2


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