Math, asked by thuamiralte1961, 1 year ago

Given a equal to 30 degree verify that sin 2A equal to 2 Sin A cos

Answers

Answered by ᎷíssGℓαмσƦσυs

2

bhai your question is not clear

sin 2A = 2sinA cosA

LHS

sin2×30

sin60°

√3/2

RHS

2sin30°cos30°

2×1/2×√3/2

=√3/2

LHS

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Answered by shivani9118

3

sin2A=sin2*30=sin60=√3/2

2sinAcosA=2*sin30*cos30=2*1/2*√3/2=√3/2..

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