Conclusions:
-1≤x+y≤1
this is all i can get.
5 Answers
eureka123
·2009-02-19 18:41:02
as ashish stated x+y ε[-1,1]
passes through origin
moreover it is an even function
for roots y=0 => x=sinx =>x=0
Y intercept=>x=0 =>siny=y =>y=0
slope alos consant........
this is max i have investigated......what to do now????[7]
Lokesh Verma
·2009-02-19 22:07:52
This was much simpler than all the complex thoughts you guys are having
try tinking in terms of graph
when is sin a = a ?