Question

If tan 2A = cot(A-18°) , where 2A is an acute angle, find the value of A.​

Answer 1

Step-by-step explanation:

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Answer 2

Answer:

tan2A = cot(A-18°)

cot(90°-2A) = cot (a -18°)

90-2a=a-18

90+18=a+2a

108=3a

108/3=a

36=a