ASIN( ) Function

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Returns in radians the arc sine of a numeric expression.

ASIN(nExpression)

Parameters

nExpression


Specifies the numeric expression whose arc sine ASIN( ) returns. The value of nExpression can range from +1 through –1, and the value ASIN( ) returns can range from –pi/2 through +pi/2 ( –1.57079 to 1.57079). The number of decimal places in the display of the result can be specified with SET DECIMALS.

Return Value

Numeric

Remarks

Use RTOD(В ) to convert radians to degrees.

Example

В Copy Code
CLEAR
? RTOD(ASIN(0))  && Returns 0.00
STORE 1 to gnArcAngle
? RTOD(ASIN(gnArcAngle))  && Returns 90.00
? RTOD(ASIN(SQRT(2)/2))  && Returns 45.00

See Also



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