设a为锐角,若cos(a+π/6)=3/5,则sin(a-π/12)=

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设a为锐角,若cos(a+π/6)=3/5,则sin(a-π/12)=

设a为锐角,若cos(a+π/6)=3/5,则sin(a-π/12)=
设a为锐角,若cos(a+π/6)=3/5,则sin(a-π/12)=

设a为锐角,若cos(a+π/6)=3/5,则sin(a-π/12)=

sin(a-π/12)=√2/10