函数f(x)=Asin(2x+φ),当x=-π/3时,最小值为-4,
最小值为-4,A=4
f(x)=4sin(2x+φ),经过点(-π/3,-4)
4sin(-2π/3+φ)=-4
sin(-2π/3+φ)=-1
-2π/3+φ=-π/2
φ=π/6
f(x)=4sin(2x+π/6)
函数f(x)=Asin(2x+φ),当x=-π/3时,最小值为-4,
最小值为-4,A=4
f(x)=4sin(2x+φ),经过点(-π/3,-4)
4sin(-2π/3+φ)=-4
sin(-2π/3+φ)=-1
-2π/3+φ=-π/2
φ=π/6
f(x)=4sin(2x+π/6)