Math, asked by kammarithanunjay0987, 19 days ago

Find the value of tan3 A. if cos 3A = sin 45° .​

Answers

Answered by harshithsaivemula14
0

Answer:

1

Step-by-step explanation:

cos 3A = sin 45°

cos 3A = 1 / root 2

cos 3A = cos 45°

3A = 45°

A = 15°

tan 3A = sin 3A / cos 3A

           = sin 3*15° / cos 3*15°

           = sin 45° / cos 45°

           = 1 / root 2 / 1 / root 2

           = 1

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