若角α的终边过点p(-1,0),则sin(α+π/3)等于?

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若角α的终边过点p(-1,0),则sin(α+π/3)等于?
若角α的终边过点p(-1,0),则sin(α+π/3)等于?

若角α的终边过点p(-1,0),则sin(α+π/3)等于?
α=π
sin(α+π/3)=sin(π+π/3)=-sinπ/3=-根号3/2