已知sin(a+π/3)+sina=-4根号3/5 -π/2

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已知sin(a+π/3)+sina=-4根号3/5-π/2已知sin(a+π/3)+sina=-4根号3/5-π/2已知sin(a+π/3)+sina=-4根号3/5-π/2(3*根号3-4)/10

已知sin(a+π/3)+sina=-4根号3/5 -π/2
已知sin(a+π/3)+sina=-4根号3/5 -π/2

已知sin(a+π/3)+sina=-4根号3/5 -π/2

(3*根号3-4)/10