sin 60° = 2tan 30° / 1+ tan²30° = √3/2
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Answer:
sin60°=√3/2
(2tan30°)/(1+tansquare20°)=(2×1/√3)/[(1/√3square]
=(2/√3)/(1+1/3)
=(2/√3)/(4/4)
= 2/√3×3/4
=2/√3×(√3])square/2square
=√3/2
Hence verified
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