Math, asked by rajraushan444, 11 months ago

18. Using the formula, cos A = V1 + cos 2A, find the value of cos 30°, it
being given that cos 60° =

Answers

Answered by rishika79

0

Answer:

Step-by-step explanation:

Sorry but it's not a proper formula in reality it's 2cos*2A=1+ cos2A

And ya value of cos60 is not given which is 1/2

Hope it helps you...

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