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正切值为43的角度数是多少
更新时间: 2020-07-06 00:00:00  

一般认为53度,但不是精确值。正切值是指是直角三角形中,某一锐角的对边与另一相邻直角边的比值。对于任意一个实数,都对应着唯一的角,而这个角又对应着唯一确定的正切值与它对应,按照这个对应法则建立的函数称为正切函数。

关键词: 正切 角度 多少

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