Question

if tan 2A = cot (A-18°)‚ Find A.​

Answer 1

Answer:

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Answer 2

Step-by-step explanation:

tan A = cot ( 90-A)

So,

cot(90-A) = cot (A-18)

90-A= A-18

90+18=A +A

108 = 2A

108/2= A

54=A