cos(a+π/3)=sin(a-π/3),tana为多少

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cos(a+π/3)=sin(a-π/3),tana为多少

cos(a+π/3)=sin(a-π/3),tana为多少
cos(a+π/3)=sin(a-π/3),tana为多少

cos(a+π/3)=sin(a-π/3),tana为多少