Math, asked by mayankroy20300, 11 months ago

Sin 2A =2 sin A x cos A is true when A = ?

Answers

Answered by dilawezmohsin2002

1

Answer:

Step-by-step explanation:

given sin2A=2sinA

we know that sin2A=2sinAcosA

so, 2sinAcosA=2sinA

divide with 2sinA on both sides ,we get

cosA=1

cosA=cos0

A=0

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