Math_Junkie
Junior Member
- Joined
- Sep 15, 2007
- Messages
- 65
sin[sup:3sw9elud]-1[/sup:3sw9elud](-1/sqrt(2))
cos[sup:3sw9elud]-1[/sup:3sw9elud](cos(2))
cos(cos[sup:3sw9elud]-1[/sup:3sw9elud](2))
These are my guesses:
sin[sup:3sw9elud]-1[/sup:3sw9elud](-1/sqrt(2)) = 5pi/4 and 7pi/4
cos[sup:3sw9elud]-1[/sup:3sw9elud](cos(2)) = 2 (since the inverse undoes what cos(x) does)
cos(cos[sup:3sw9elud]-1[/sup:3sw9elud](2)) = does not exist (since cos-1(2) is an imaginary number)
cos[sup:3sw9elud]-1[/sup:3sw9elud](cos(2))
cos(cos[sup:3sw9elud]-1[/sup:3sw9elud](2))
These are my guesses:
sin[sup:3sw9elud]-1[/sup:3sw9elud](-1/sqrt(2)) = 5pi/4 and 7pi/4
cos[sup:3sw9elud]-1[/sup:3sw9elud](cos(2)) = 2 (since the inverse undoes what cos(x) does)
cos(cos[sup:3sw9elud]-1[/sup:3sw9elud](2)) = does not exist (since cos-1(2) is an imaginary number)