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Computes the arccosine of a specified value (x), where x is in radians.

If x is not complex and is less than -1 or greater than 1, the result is not a number (NaN).

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x

An input to this operation.

This input supports scalar numbers, arrays or clusters of numbers, and arrays of clusters of numbers.

Data Type Changes on FPGA

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arccos

Result of the operation.

This output assumes the same numeric representation as x. When x is of the form x = a + b i, that is, when x is complex, the following equation defines arccos:
arccos ( x ) = i ln ( x + i 1 x 2 )