ACOS/de
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| − | + | Returns the arccosine of a single in radians. | |
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| − | + | A floating point variable such as single or double, that is assigned with the ACOS of variable x. | |
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| − | + | The float to get the ACOS of. Input is valid from –1 to +1 and returns | |
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| + | p to 0. | ||
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Latest revision as of 12:19, 6 March 2013
Contents |
= (**COPIED FROM ENGLISH PAGE**) === Action
Returns the arccosine of a single in radians.
Syntax
var = ACOS( x )
Remarks
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Var |
A floating point variable such as single or double, that is assigned with the ACOS of variable x. |
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X |
The float to get the ACOS of. Input is valid from –1 to +1 and returns p to 0.
If Input is < -1 than p and input is > 1 than 0 will returned. |
If Input is cause of rounding effect in float-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 , ASIN , 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 = Acos(x) Print S End
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