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(-1+i)*log(2*e^(i*t)+i) - 1/2((2+2*i)tan^(-1)(2*e^(i*t))-(1-i)*log(1+4*e^(2*i*t)))
(-1+i)*log(2*e^(i*t)+i) - 1/2((2+2*i)tan^(-1)(2*e^(i*t))-(1-i)*log(1+4*e^(2*i*t)))
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