sin(-10π/3)的值等于

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sin(-10π/3)的值等于
sin(-10π/3)的值等于

sin(-10π/3)的值等于
sin(-10π/3)
=sin(-4π+2π/3)
=sin(2π/3)
=sin(π-π/3)
=sin(π/3)
=√3/2