1.

If

Answer»

Answer:

L.H.S=sin2A=sin2×60

=sin120

=sin(180

−60

)=sin60

=

2

3

..(1)

R.H.S=2sinAcosA=2sin60

COS60

=2×

2

3

×

2

1

=

2

3

..(2)

From (1) and (2) we have

L.H.S=R.H.S



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