正切多少度等于3.14159?

2025-04-07 07:26:33
推荐回答(3个)
回答(1):

由于tana=3.14159,
a=arctan3.14159=72.3432°,希望可以帮到你,望采纳!

回答(2):

不等于3.1415926...。如果π表示圆周长与直径的3分之1的比,那么它们的比是:(6+2√3):3。
因为3.1415926...是根据正6x2ⁿ边形倍边的周长与过中心点的对角线的比值、并非圆的周长与圆直径的比值,所以3.1415926...应该叫正6x2ⁿ边形的倍边率、不应该叫圆周率。因此,推算倍边率3.1415926...是离不开倍边公式的。
圆是圆、正6x2ⁿ边形是正6x2ⁿ边形。不能说:圆就是正6x2ⁿ边形,正6x2ⁿ边形就是圆。因为圆不是根据正6x2ⁿ边形在倍边时形成的。
根据《毕达哥拉斯定理》平面几何形的周长等于外围点的数量加上重叠的点的点径之和。为此推出“圆周长等于直径d的3分之1的6加两个根号3”。圆的周长公式:c=d(6+2√3)/3。

回答(3):

题主所问便是arctanπ的角度,实际结果为72°20′36″,他并不是一个整数。

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