| Author |
Comment/Response |
S
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 10/25/11 02:39am
Can anyone please help me to understand why I obtain this error and how it can be overcome please?
Much appreciated!
thanks
Integrate[(1 - cos (m*x + n*y))/(4 - 2*cos (y)*(cos (y) + cos (x))), {x}, {y}]
Integrate::ilim: Invalid integration variable or limit(s) in {x}.
Integrate[(1 - cos (m x + n y))/(4 - 2 cos y (cos x + cos y)), {x}, {y}]
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