- #1
Jean-Louis
- 15
- 0
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.