Math, asked by rubeenarubbi2009, 1 year ago

A=30 verify that sin2A=2sinA CosA

Answers

Answered by RabbitPanda
8

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 jsvishwajith
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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