Bug in simplifying trig expressions

[Stevetuc]

(09-01-2018 08:31 AM)parisse Wrote:  It seems, but it is not for efficiency reasons : running simplify may take several seconds or more on some expressions. Therefore the choice is left to the user depending on the simplification level in the CAS settings. If you select maximum, then simplify(a-b) is called automatically and you will get 1.

Thanks, thats useful to know and it works well.