plz help (derivatives)

[卧虎藏龙]

[FONT=楷体][FONT=楷体]d(t)=12sin(60[/FONT][FONT=宋体][FONT=楷体]∏t)[/FONT] 的导数是什么[/FONT][/FONT]
[FONT=宋体][FONT=楷体][/FONT][/FONT]
[FONT=宋体][FONT=楷体]是 d'(t)=[12cos(60[FONT=宋体]∏t)](60[FONT=宋体]∏) 么?[/FONT][/FONT][/FONT][/FONT]
[FONT=宋体][FONT=宋体][FONT=宋体][FONT=楷体][/FONT][/FONT][/FONT][/FONT]
[FONT=宋体][FONT=宋体][FONT=宋体][FONT=楷体]多谢[/FONT][/FONT][/FONT][/FONT]

 

[美丽星晴]

[FONT=宋体]∏ is that pie?[/FONT]

 

[美丽星晴]

如果是pie就似乎对了！

 

[卧虎藏龙]

yea, its pi
is it correct?

 

[卧虎藏龙]

thnx anyway

 

[夜色]

Yes it is correct

 

[1784]

install Maple, it will have all the answers you want

 

[smk]

correct

 

[卧虎藏龙]

ok, thnx