ASIN |
ASIN(n) |
Returns the arc sine of a value between -1 and 1. This function reverses the output of the SIN function. The result is an angle expressed in radians, which will fall inclusively in the range -/2 and /2.
Example
SQL> SELECT ASIN(-1), ASIN(0), ASIN(1) 2 FROM dual; ASIN(-1) ASIN(0) ASIN(1) ---------- ---------- ---------- -1.5707963 0 1.57079633
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