arctan((x+y)/(1-xy)) just do it in respect to x and I can do the rest.
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Originally Posted by daskywalker arctan((x+y)/(1-xy)) just do it in respect to x and I can do the rest. Tour de-force
Originally Posted by daskywalker arctan((x+y)/(1-xy)) just do it in respect to x and I can do the rest. Or using this identity that makes it easier
Originally Posted by Danny Tour de-force forgive my stupidity but I don't exactly see the simplification.I got to the point where (y^2+1)/{y^2(1+x^2)+(1+x^2)}
Originally Posted by daskywalker forgive my stupidity but I don't exactly see the simplification.I got to the point where (y^2+1)/{y^2(1+x^2)+(1+x^2)} When you multiply the denominator through by you get
Originally Posted by Danny When you multiply the denominator through by you get ok got it now. many thanks!
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