假濕叮又被吐槽了 一個字就笑死你
Mathwords: Inverse Tangent 喔~杯鼻杯鼻杯鼻~喔~賣~XDInverse Tangent tan-1 Tan-1 arctan Arctan The inverse function of tangent. Basic idea: To find tan-1 1, we ask "what angle has tangent equal to 1?" The answer is 45 . As a result we say that tan-1 1 = 45 . In radians this is tan-1 1 = π/4....
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