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Trigonometric integration with natural log

  1. May 6, 2010 #1
    1. The problem statement, all variables and given/known data
    integral of secxtanx/secx -1

    2. Relevant equations
    sec u du = ln |sec u +t an u | + c

    3. The attempt at a solution

    sec u +tan u | + c
  2. jcsd
  3. May 6, 2010 #2
    This is a terrible post, explain.
  4. May 6, 2010 #3


    Staff: Mentor

    How did you get this?
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