Another HP Prime CAS question  Printable Version + HP Forums (https://archived.hpcalc.org/museumforum) + Forum: HP Museum Forums (https://archived.hpcalc.org/museumforum/forum1.html) + Forum: Old HP Forum Archives (https://archived.hpcalc.org/museumforum/forum2.html) + Thread: Another HP Prime CAS question (/thread255105.html) 
Another HP Prime CAS question  Michael de Estrada  11072013 When I enter COS(x)^2+SIN(x)^2 in CAS I get the result 1, which is correct since this result is true regardless of the value of x. However, if I enter COSH(x)^2SINH(x)^2 in CAS I should also get 1 as a result, however, I simply get COSH(x)^2SINH(x)^2 as a result instead. If I replace x with a numerical value instead, then I get the proper result of 1. Why ? And yes I am in radians mode and have Exact unchecked when I do this. Edited: 8 Nov 2013, 2:35 p.m. after one or more responses were posted
Re: Another HP Prime CAS question  Michael de Estrada  11082013 Hello. Anybody home ?
Re: Another HP Prime CAS question  Han  11092013 Quote:
This is probably explained somewhere in the xcas documentation (regarding whether there exist substitution/simplification routines for hyperbolic trig functions.
Re: Another HP Prime CAS question  Michael de Estrada  11092013 Actually, I reposted this question and it was answered here.
