Oracle9i SQL Reference Release 2 (9.2) Part Number A96540-01 |
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Functions, 4 of 177
acos::=
ACOS
returns the arc cosine of n
. The argument n
must be in the range of -1 to 1, and the function returns values in the range of 0 to pi, expressed in radians.
The following example returns the arc cosine of .3:
SELECT ACOS(.3)"Arc_Cosine" FROM DUAL; Arc_Cosine ---------- 1.26610367
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