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How to integrate this

  1. Jun 11, 2014 #1
    1. The problem statement, all variables and given/known data

    How to integrate∫√(2+2sinθ)

    2. Relevant equations

    Making use of (2+2sinΘ)(2-sinΘ)=4-4sinΘ^2

    3. The attempt at a solution

    Multiply and dividing the integrand by √2-2sinΘ
     
  2. jcsd
  3. Jun 11, 2014 #2

    LCKurtz

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    Show us what happened when you did that...
     
  4. Jun 11, 2014 #3
    It becomes,

    ∫ 4cosΘ^2/√(2-2sinΘ)
     
  5. Jun 11, 2014 #4

    LCKurtz

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    Isn't there a square root missing in the numerator? Have you tried any substitutions?
     
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