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If the line x=y=z intersect the line sin...

If the line `x=y=z` intersect the line `sin Adotx+sin Bdoty+sin Cdotz=2d^2,sin2Adotx+sin2Bdoty+sin2Cdotz=d^2,` then find the value of `sinA/2dotsinB/2dotsinC/2w h e r eA ,B ,C` are the angles of a triangle.

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