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Category: Integration

Question-139164

Question Number 139164 by mathlove last updated on 23/Apr/21 Answered by qaz last updated on 25/Apr/21 ln(1aeix)=ln[1a(cosx+isinx)]$$={ln}\left(\sqrt{\left(\mathrm{1}−{a}\mathrm{cos}\:{x}\right)^{\mathrm{2}} +\left({a}\mathrm{sin}\:{x}\right)^{\mathrm{2}} }{e}^{{i}\mathrm{tan}^{−\mathrm{1}} \frac{−{a}\mathrm{sin}\:{x}}{\mathrm{1}−{a}\mathrm{cos}\:{x}}}…