/ _________\ / _________\ log\1 + \/ tanh(1) / / _________\ log\1 - \/ tanh(1) / -------------------- - atan\\/ tanh(1) / - -------------------- 2 2
=
/ _________\ / _________\ log\1 + \/ tanh(1) / / _________\ log\1 - \/ tanh(1) / -------------------- - atan\\/ tanh(1) / - -------------------- 2 2
0.626746010848783
/ | / _________\ / _________\ | _________ log\1 + \/ tanh(x) / / _________\ log\-1 + \/ tanh(x) / | \/ tanh(x) dx = C + -------------------- - atan\\/ tanh(x) / - --------------------- | 2 2 /