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## Main Question or Discussion Point

Show that :

(sinA/2 + sinB/2 + sinC/2)^2 >= (sinA)^2 + (sinB)^2 + (sinC)^2

A,B and C are the angles of a triangle.

(sinA/2 + sinB/2 + sinC/2)^2 >= (sinA)^2 + (sinB)^2 + (sinC)^2

A,B and C are the angles of a triangle.