Question: Bug in Maple 2019 fixed in 2020

Beware!

In Maple 2019 we get the strange value

cos((Pi/2) -1e-12);
                                                  -10
                       -2.051033808 10   

 



In Maple 2020 we get the correct answer

cos(Pi/2-1e-12);
                                                                      -13
                9.999999999996916397514419 10   

That error in Maple 2019 certainly messed up quite a few of my calcualtions!

 

 

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