Question

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

Answer 1

Answer:

A=30°

To verify=sin2a=2sina.cosa

Lhs:

Sin2(30)=sin60=√3/2

Rhs;

2sin30.cos30=2(1/2)(√3/2) =√3/2

Lhs=rhs

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