Reducing hyperbolic functions

• Subject: Reducing hyperbolic functions
• From: Poul Riis
• Date: Wed, 19 Nov 2003 16:24:56 +0100

I would be happy to see Maxima reduce the function
g(x):=tanh(x)^2+sech(x)^2-1;
but neither trigexpand nor trigreduce does the job.
What should I do to get the expected zero?

Yours,
Poul Riis

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