Last Updated：2025/02/25
The cotangent of an angle is equal to the ratio of the adjacent side to the opposite side.
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角の余接は隣辺と対辺の比と等しいです。
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The cotangent of an angle is equal to the ratio of the adjacent side to the opposite side.
角の余接は隣辺と対辺の比と等しいです。
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