If A =30° verify that Sin2A=2TanA/1+Tan*Tan A
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ON solving RHS
2*1/√3/1+1/√3^2
2/√3+1/3
6+√3/3√3.
and
LHS
1/2*2=1
2*1/√3/1+1/√3^2
2/√3+1/3
6+√3/3√3.
and
LHS
1/2*2=1
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I hope it will help you
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