(1)∵sin2A+sin2B=sin2C+sinAsinB
∴由正弦定理化简已知的等式得:a2+b2=c2+ab,即a2+b2-c2=ab,
∴cosC=
=
a2+b2?c2
2ab
1 2
∵0<C<
,∴C=π 2
;π 3
(2)f(x)=sin(ωx?
)?cosωx=π 6
sin(ωx?
3
)π 3
∵f(x)图象上相邻两最高点间的距离为π,
∴
=π,∴ω=2,∴f(A)=2π ω
sin(2A?
3
)π 3
∵C=
,B=π 3
?A,0<A<2π 3
,0<B<π 2
π 2
∴
<A<π 6
,∴0<2A-π 2
<π 3
,2π 3
∴0<sin(2A?
)≤1π 3
∴0<f(A)≤
.
3