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suju101

integrate sqrt(1-cosx)

  • 2 years ago
  • 2 years ago

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  1. Aron_West
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    \[-2\sqrt{1-\cos (x )} \cot(x/2) + constant\]

    • 2 years ago
  2. suju101
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    i got 2sqrt2 cosx/2 ans. is this correct or not?

    • 2 years ago
  3. Aron_West
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    Its wrong.

    • 2 years ago
  4. kevinfrankly
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    isnt it \[-2\sqrt{1+\cos x}+c\]

    • 2 years ago
  5. Aron_West
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    No that's wrong, you forgot to put a cotangent function of 0.5x in there and also its negative cosine of x.

    • 2 years ago
  6. suju101
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    \[\sqrt{1-(1-2\sin^2x/2)}\][]\sqrt{2}\]|dw:1326537077707:dw| i did this.is this wrong??

    • 2 years ago
  7. dumbcow
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    No you are right, except the integral of sin is -cos. --> -2sqrt2*cos(x/2)+C

    • 2 years ago
  8. dumbcow
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    AronWest is also correct, there are just different forms of the same answer

    • 2 years ago
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