Oracle9i SQL Reference Release 1 (9.0.1) Part Number A90125-01 |
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Functions, 4 of 166
acos::=
acos
ACOS
returns the arc cosine of n. Inputs are in the range of -1 to 1, and outputs are in the range of 0 to pi and are 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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