But the cosine is always positive on that interval. Therefore cos(Arctan x) always yields a positive result. Remember also from equation 22 that cos(−A) = cos A. To ensure this, use the absolute value sign, and the true final answer iscos(Arctan(1/x)) = | x |/√1+x² ...
The inverse of the sine function is known as arc sine, most math libraries shorten this to asin The inverse of the cosine function is known as arc cosine, most math libraries shorten this to acos The inverse of the tangent function is known as arc tangent, most math libraries shorten this...
复数的反余弦是其余弦为该复数的角度。在Golang中,我们可以使用cmath.Acos函数来找到复数的反余弦。在本文中,我们将通过示例学习如何在Golang中找到复数的反余弦。 语法func Acos(z complex128) complex128 Go Copycmath.Acos函数接受一个复数作为输入,并将其反余弦值作为复数返回。