Integrate sqrt(2+2sin(x)) ?

  • Thread starter lostinhere
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12
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I'm having trouble with this. Can anyone help me integrate

sqrt(2+2sin(x))

??

Thanks
 
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lostinhere said:
sqrt(2+2sin(x))
Can you out it into a different form first?

The Bob (2004 ©)
 
12
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Other than
sqrt(2)*sqrt(1+sin(x))

I'm stuck
 

dextercioby

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HINT:Make the substitution

[tex] \tan\frac{x}{2}=t [/tex]

Daniel.
 
12
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Can you be more specific please?
 

dextercioby

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Transform the integral (make a change of variable).

[tex] \sqrt{2}\int \sqrt{1+\sin x} \ dx [/tex]

[tex] x=2\arctan t [/tex]

Daniel.
 
176
0
hello there

sqrt[1+sinx]=[(cosx)^2]/[sqrt[1-sinx]]

see what you could do with that if it helps

steven
 

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