Math, asked by Sudhanshu99999, 10 months ago

If 2Cos2a=√3 and A is acute ,find 3A

Answers

Answered by khyati4267
2

2cos2A = √3

cos2A =√3/2 = cos 30

then 2A = 30

A = 15

Answered by ambarkumar74
0

cos2A=√3/2 A=15. 3A=45

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