已知函数f(x)=sin(x+ π/12 ) ⑴求f(- π/4 ) ⑵若cos=4/5,Θ∈(0已知函数f(x)=sin(x+ π/12 )⑴求f(- π/4 )⑵若cos=4/5,Θ∈(0,π/2 )求f(2Θ- π/3 )

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已知函数f(x)=sin(x+ π/12 ) ⑴求f(- π/4 ) ⑵若cos=4/5,Θ∈(0已知函数f(x)=sin(x+ π/12 )⑴求f(- π/4 )⑵若cos=4/5,Θ∈(0,π/2 )求f(2Θ- π/3 )

已知函数f(x)=sin(x+ π/12 ) ⑴求f(- π/4 ) ⑵若cos=4/5,Θ∈(0已知函数f(x)=sin(x+ π/12 )⑴求f(- π/4 )⑵若cos=4/5,Θ∈(0,π/2 )求f(2Θ- π/3 )
已知函数f(x)=sin(x+ π/12 ) ⑴求f(- π/4 ) ⑵若cos=4/5,Θ∈(0
已知函数f(x)=sin(x+ π/12 )
⑴求f(- π/4 )
⑵若cos=4/5,Θ∈(0,π/2 )求f(2Θ- π/3 )

已知函数f(x)=sin(x+ π/12 ) ⑴求f(- π/4 ) ⑵若cos=4/5,Θ∈(0已知函数f(x)=sin(x+ π/12 )⑴求f(- π/4 )⑵若cos=4/5,Θ∈(0,π/2 )求f(2Θ- π/3 )