由于x属于(0,π/2),
则有:2x+π/3属于(π/3,4π/3)
由f(x)=-3/5,sin(2x+π/3)=-3/5
则有π
已知函数f(x)=sin(2x+π/3),若f(x)=-3/5,x属于(0,π/2),求sin2x
已知函数f(x)=sin(2x+π/3),若f(x)=-3/5,x属于(0,π/2),求sin2x
数学人气:907 ℃时间:2019-11-11 13:38:21
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