y=根号3sinx+cosx,x∈[-π/2,π/2]的最大值和最小值.

y=根号3sinx+cosx,x∈[-π/2,π/2]的最大值和最小值.
y=根号3sinx+cosx,x∈[-π/2,π/2]的最大值和最小值.

y=根号3sinx+cosx,x∈[-π/2,π/2]的最大值和最小值.
y=2(√3/2sinx+1/2cosx)
=2(sinxcosπ/6+cosxsinπ/6)
=2sin(x+π/6)
-π/2