Math, asked by saikiranreddy3939, 10 months ago

Find the value of tan 2A, if cos 3A = sin 45º.​

Answers

Answered by Anonymous
3

Cos 3A = SIN 45°

COS 3A= 1/√2

3A= COS -¹ 1/√2

3A=45°

A= 45°/3

A= 15°

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