T/2=(5π/6-π/3)=π/2T=π W=2又Asin(2xπ/3+Φ)=0 根据图像有(2xπ/3+Φ)=π+2kπ故φ=π/3+2kπ由Asin(2x0+π/3+2kπ)=3/2得A=√3(根号3)所以原函数为y=√3sin(2x+π/3+2kπ)(k∈Z)(2kπ可以根据题意去掉,只是这题不可以)