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I cannot reach the answer for this integral which is part of a bigger question related to discounting investments. I know what the answer to the integral is and have tried all the substitutions and tricks I know. Any pointer would be great!
∫(1/(1+cosh(x))) = tanh(x) + C
Thanks, Felix
∫(1/(1+cosh(x))) = tanh(x) + C
Thanks, Felix