(iii)sin 2A = 2 sin A is true when A = – InterviewSolution

1.

(iii)sin 2A = 2 sin A is true when A =

Answer»

Given, sin2A=2sinAwe know that sin2A=2sinAcosA

so, 2sinAcosA=2sinA

divide with 2sinA on both sides, we get cosA=1cosA=cos0

Therefore, A = 0°

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