f(x)=√3sinx-2sin²x/2
=√3sinx+1-2sin²x/2-1
=√3sinx+cosx-1
=2sin(x+π/6)-1
(1)求f((的值3/2)π)?
(2)2sin(x+π/6)-1>0,即sin(x+π/6)>1/2,所以π/6+2kπ
f(x)=√3sinx-2sin²x/2
=√3sinx+1-2sin²x/2-1
=√3sinx+cosx-1
=2sin(x+π/6)-1
(1)求f((的值3/2)π)?
(2)2sin(x+π/6)-1>0,即sin(x+π/6)>1/2,所以π/6+2kπ