Math, asked by rishi14352, 9 months ago

find the value of tan2A,if cos3A=sin45°​

Answers

Answered by kkaran96706
1

Answer:

Hint for this problem,

cos 3A = sin 45,. cos A = cos (90 - 45),

3A = 45 => A = 15,

2A = 30,

Tan 2A = tan 30 = 1/root 3

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