Q. 7 A5.0( 2 Votes )

If A = 30o, verify that :

sin 2A = 2 sin A cos A

Answer :

Given: A =30o

Now, LHS = sin 2(30o)


sin 60o



Now, RHS = 2 sin A cos A


2 sin (30o) cos (30o)




LHS = RHS


Hence Proved


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