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Category: Integration

d-2sin-2-cos-2-

Question Number 102926 by mohammad17 last updated on 11/Jul/20 dθ2sin2θcos2θ? Answered by OlafThorendsen last updated on 11/Jul/20 $$\int\frac{{d}\theta}{\mathrm{2}\frac{\mathrm{2}{t}}{\mathrm{1}+{t}^{\mathrm{2}} }−\frac{\mathrm{1}−{t}^{\mathrm{2}} }{\mathrm{1}+{t}^{\mathrm{2}} }}…