acos

Arguments

x

a real or complex vector or matrix.

t

a real or complex vector or matrix.

Description

The components of t are cosine inverse of the corresponding entries of x. Definition domain is [-1, 1].

Sample

Examples

x=[1,%i,-1,-%i] cos(acos(x))

See also

• acosd — element wise cosine inverse, result in degree.
• cos — cosine function
• cosd — element-wise cosine function, argument in degree