Question

sec2A=cosec(A-36), find A.

Answer 1

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Answer 2

Question: if sec2A = cosec(A-36°), find A.

Answer:

sec 2A = cosec (A - 36)

cosec (90 - 2A) = cosec (A - 36)

90 - 2A = A - 36

90 + 36 = 3A

126 = 3A

A = 42°

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