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2013-02-15T19:12:48Z

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== (**COPIED FROM ENGLISH PAGE**) === Action =

Returns the arcsine of a single in radians.

 

 

= Syntax =

var = ASIN( x )

 

 

= Remarks =
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Var

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A float variable such as single or double that is assigned with the ASIN of variable x.

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X

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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.

|}
</div>
 

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 =

 <source lang="bascomavr">
$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
</source> {{Languages}}

[[Category:BASCOM_Language_Reference/de]]

ASIN/de - Revision history

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