What will the last three steps of solution ??
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sin2(30)=2tan30/1+tan^30
sin60=2/√3/1+1/3
√3/2=2/√3/4/3
√3/2=1/2/√3
√3/2=√3/2
hence proved
Answered by
1
Answer:
A = 30
2A = 60
Tan 30 = 1/√3
sin 60 = √3/2
√3/2 = 2× 1/√3
________
1+ 1/3
=. 3/ √3*2
rationalize
= 3√3/ √3√3×2
= √3/2
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