ASIN
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Latest revision as of 20:35, 15 June 2015
Contents |
Action
Returns the arcsine of a float in radians.
Syntax
var = ASIN( x )
Remarks
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Var |
A float variable such as single or double that is assigned with the ASIN of variable x. |
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X |
The float to get the ASIN of. Input is valid from –1 to +1 and returns -p/2 to +p/2.
If Input is < -1 than -p/2 and input is > 1 than p/2 will returned. |
If Input is cause of rounding effect in single-operations a little bit over 1 or -1, the value for 1.0 (-1.0) will be returned. This is the reason to give the value of the limit-point back, if Input is beyond limit. Generally the user have to take care, that Input to this function lies within –1 to +1.
All trig functions work with radians. Use deg2rad and rad2deg to convert between radians and angles.
See Also
RAD2DEG , DEG2RAD , COS , SIN , TAN , ATN , ACOS , ATN2
Example
$regfile = "m48def.dat" ' specify the used micro $crystal = 8000000 ' used crystal frequency $baud = 19200 ' use baud rate $hwstack = 32 ' default use 32 for the hardware stack $swstack = 10 ' default use 10 for the SW stack $framesize = 40 ' default use 40 for the frame space Config Com1 = Dummy , Synchrone = 0 , Parity = None , Stopbits = 1 , Databits = 8 , Clockpol = 0 Dim S As Single , X As Single X = 0.5 : S = Asin(x) Print S '0.523595867 End
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