Dear All!

please, coudl you help me with:

is that ok?

Many thanks!

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- Jan 26th 2013, 07:38 AMBooint (dx/(1-cosx) ) dx
Dear All!

please, coudl you help me with:

is that ok?

Many thanks! - Jan 26th 2013, 08:15 AMibduttRe: int (dx/(1-cosx) ) dx
Use the expressions ∫▒cot〖x dx=log|sinx|+C 〗 and ∫▒〖cosec x dx=log〖| cosec x-cotx |+C〗 〗

- Jan 26th 2013, 09:45 AMhollywoodRe: int (dx/(1-cosx) ) dx
Multiply numerator and denominator by .

- Hollywood - Jan 27th 2013, 02:25 AMBooRe: int (dx/(1-cosx) ) dx
Many thanks, Hollywood!!!