ACOS
The ACOS(a) function calculates the arc cosine of an expression
a. The expression a must be of absolute value less than or equal to 1.
The value returned by ACOS lies in the range [0,
] (that
is, 0 < ACOS(a) <
).
Format
ACOS(a)
Arguments
a |
Any valid function expression.
Number of Arguments: 1 |