Could anybody help me find the primitive function of $$f(x) = \frac{\log{(1-x)} \tan^2{(x)}}{1-x\tan^2{(x)}}$$ since I'm not really good at it, and I need help :s
Thanks in advance!
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2Maple can't find one, and that probably means there isn't one. – B. Goddard Nov 22 '17 at 11:43
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That would explain why my teacher asked me, to crack my brains for a bit :p – SuperSjoerdie Nov 22 '17 at 12:28
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Special case of it: https://math.stackexchange.com/questions/869042/the-closed-form-of-int-0-pi-4-frac-log1-x-tan2x1-x-tan2x-dx – user90369 Dec 05 '17 at 11:48