Recent content by shunae95

  1. S

    MHB Find Volume of Revolved Region: [-pi/2, pi/2] & y= cos x & y = -cos x

    2π∫π/2 0 (2π+cosx)2−(2π−cosx)2dx 2π∫π/2 (2π+cos⁡x)2−(2π−cos⁡x)2dx16π2∫π/20cosxdx 16π2∫0π/2cos⁡xdx16π2[sinx]π/20=16π2
  2. S

    MHB Find Volume of Revolved Region: [-pi/2, pi/2] & y= cos x & y = -cos x

    Find the volume of the solid generated by revolving the region enclosed by y= cos x and y = -cos x for [-pi/2, pi/2] about the line y=2pi.
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