1.

If the angles A,B and C of a triangle are in arithmetic progression and if a,b and c denote the lengths of the sides opposite to A,B and C respectively, then the value of the expression acsin2C+casin2A is:

Answer»

If the angles A,B and C of a triangle are in arithmetic progression and if a,b and c denote the lengths of the sides opposite to A,B and C respectively, then the value of the expression acsin2C+casin2A is:



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