Question

If cos A = 1 / 3 find the value tan A
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Answer 1

Answer:

given ---- cos A = 1/3

sec A = 3. -----( sec = 1/cos )

sec^2 A -1 = tan^2 A. ------( identity )

(3)^2 -1 = tan^2 A

9-1 = tan^2 A

8 = tan^2 A

tan A = √8

tan A = √4×2

tan A = 2√2

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Answer 2

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