Euler Identity in Home

[jebem]

(04-04-2014 09:26 PM)Joe Horn Wrote:  HEY... the HP-65 returns 0 for SIN(3.141592654). What's up with that?

Also, using a Texas TI-51-III, got the same result again:
"2nd" "Rad";
"2nd" "PI";
"sin";
Result: 0

"2nd" "PI";
"cos";
Result: -1

"2nd" "PI";
"/";
"2";
"="
"sin";
Result: 1