Question

1. If A = 30', verify that sin2A = 2sinA COSA​

Answer 1

Answer:

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Answer 2

Prove:

L.H.S= sin 2x30°

= sin 60°

= √3/2

R.H.S= 2 x sin 30° x cos 30°

=2 x 1/2 x √3/2

= √3/2

L.H.S =R.H.S verified.

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