若f(sinx)=3-cos2x,则f(cosπ/6)=
2个回答
f(cosπ/6)
=f(sinπ/3)
=3-cos(2×π/3)
=3-(-1/2)
=7/2
相关问题
若f(sinx)=3-cos2x,则f(cos)=?
若f(sinx)=3-cos2x,则f(cosx)=______.
若f(sinx)=3-cos2x,则f(cosx)=______.
若f(sinx)=3-cos2x,则f(cosx)=______.
若f(cosx)=3-cos2x,则f(sinx)=?
若f(cosX)=3-cos2X,则f(sinX)
若f(sinx)=3-cos2x,则f(cosx)=______.
若f(sinx)=3-cos2x,则f(cosx)=______.
若f(sinx)=3-cos2x,则f(cosx)=______.
设f(2sinx-1)=cos^2x,x∈[-6/π,π/6] 则f(x)的值域是