A=30 verify that sin2A=2sinA CosA
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Answered by
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A=30°
Sin 2A= 2 sin A cos A
Lhs....
Sin 2×30=sin60=root3/2
Rhs=2×sin30×cos30
=2×1/2×root3/2
=root3/2
=lhs
Hence proved
@skb
Answered by
0
Answer:
Sin 2A= 2 sin A cos A
Lhs....
Sin 2×30=sin60=root3/2
Rhs=2×sin30×cos30
=2×1/2×root3/2
=root3/2
=lhs
Hence proved
Step-by-step explanation:
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