Math, asked by Meenakshimothe23, 1 year ago

sinA=✓√2-1÷2√2 find the value of cos 2A

Answers

Answered by RajeshKumarNonia

1

I am just giving you the way to solve it.....
break Cos2A = 1-2sin^2 (A)
And then substitute the given value of sinA &Simplify it.... That's all...

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