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Tan x= sin x/cos X. Therefore tan (90-A) =
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Tan x= sin x/cos X. Therefore tan (90-A) =

User KeyboardFriendly
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1 Answer

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Answer:

tan (90° - A) = cot A

Explanation:

tan (90° - A) = sin (90° - A) / cos (90° - A) = cos A / sin A = cot A

User Peng Zhang
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