コタンジェント
(trigonometry) cotangent
hateful; odious; detestable
(onomatopoeia) laughter, such as in Japanese manga or a text-based chat
a river with clear water / an area with small pebbles or sand spread out evenly, such as in a rock garden (from the visual similarity to a clear body of water)
Please calculate the value of the cotangent, which is one of the trigonometric functions.
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