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Question

If tan x = 3 cot x then x = ?
(a) 60°
(b) 45°
(c) 30°
(d) 15°

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Solution

Given: tanx = 3cotx


tanx=3cotxtanx=31tanx cotx=1tanxtan2x=3tanx=3x=60° tan60°=3 Hence, the correct option is a.

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