y=2sin三分之一x y=4sin(x-π/3) y=sin(2x+π/6) y=3sin(1/2x-π/4) 的周期各是多少,
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y=2sin三分之一xy=4sin(x-π/3)y=sin(2x+π/6)y=3sin(1/2x-π/4)的周期各是多少,y=2sin三分之一xy=4sin(x-π/3)y=sin(2x+π/6)y=
y=2sin三分之一x y=4sin(x-π/3) y=sin(2x+π/6) y=3sin(1/2x-π/4) 的周期各是多少,
y=2sin三分之一x y=4sin(x-π/3) y=sin(2x+π/6) y=3sin(1/2x-π/4) 的周期各是多少,
y=2sin三分之一x y=4sin(x-π/3) y=sin(2x+π/6) y=3sin(1/2x-π/4) 的周期各是多少,
额,这个你只要记住算法就行了.设x的系数为w,用2π/w.就行了
1、周期是2π除以x的系数(3分之1)=6π
2、2π除以x的系数1=2π
3、2π除以x的系数2=π
4、2π除以x的系数(1/2)=4π
y=2sin三分之一x y=4sin(x-π/3) y=sin(2x+π/6) y=3sin(1/2x-π/4) 的周期各是多少,
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