If tan 2y = cot 30 degree , then find y.
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∵cot(90°-α) = tanα
cot30° = cot(90°-60°) = tan60°
⇒tan2y = tan60°
∴2y = 60°
⇒y = 30°
cot30° = cot(90°-60°) = tan60°
⇒tan2y = tan60°
∴2y = 60°
⇒y = 30°
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