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vlcek
 Post subject: sin, cos, tan problem.
PostPosted: April 30th, 2009, 5:28 pm 
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Joined: February 19th, 2007, 9:03 am
Posts: 338
Location: Czech Republic
Hi, I need this:
gui,add,text,sinus
gui,add,edit,vsinnum
gui,add,edit,gok,ok
gui,show,sinus
return
ok:
gui,submit,nohide
sin(sinnum)
msgbox, Result is %sinnum%
This return normaly user writen number, why not sinus result?

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tonne
 Post subject:
PostPosted: April 30th, 2009, 7:04 pm 
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Joined: June 6th, 2006, 3:19 pm
Posts: 1654
Location: Denmark
Code:
msgbox, % "Result is " . sin(sinnum) ; ?

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vlcek
 Post subject:
PostPosted: May 1st, 2009, 8:53 am 
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Joined: February 19th, 2007, 9:03 am
Posts: 338
Location: Czech Republic
But next problem.
Sinus 30 is 0,5, but my calculator show 0,983... Why?

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[VxE]
 Post subject:
PostPosted: May 1st, 2009, 9:02 am 
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Joined: October 7th, 2006, 8:45 am
Posts: 3329
Location: Simi Valley, CA
vlcek wrote:
But next problem.
Sinus 30 is 0,5, but my calculator show 0,983... Why?

The Manual wrote:
Sin(Number) | Cos(Number) | Tan(Number) : Returns the trigonometric sine|cosine|tangent of Number. Number must be expressed in radians.

Code:
DegToRad(deg)
{
   static pi := 3.14159265358979323846
   return deg * pi / 180
}


[edit:] quick fix

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Post code inside [code][/code] tags!


Last edited by [VxE] on May 1st, 2009, 9:08 am, edited 1 time in total.

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Guest
 Post subject:
PostPosted: May 1st, 2009, 9:05 am 
Incorrect


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tonne
 Post subject:
PostPosted: May 1st, 2009, 9:08 am 
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Joined: June 6th, 2006, 3:19 pm
Posts: 1654
Location: Denmark
Code:
DegToRad(deg)
{
   static pi := 3.14159265358979323846
   return deg * pi / 180
}

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vlcek
 Post subject:
PostPosted: May 1st, 2009, 10:07 am 
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Joined: February 19th, 2007, 9:03 am
Posts: 338
Location: Czech Republic
tonne wrote:
Code:
DegToRad(deg)
{
   static pi := 3.14159265358979323846
   return deg * pi / 180
}

Result of sin 30 is with your code 0,983032.
I use your code and msgbox, % "Result is " . sin(sinnum)

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tonne
 Post subject:
PostPosted: May 1st, 2009, 10:39 am 
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Joined: June 6th, 2006, 3:19 pm
Posts: 1654
Location: Denmark
I get 0.5 with:
Code:
msgbox % sin(degtorad(30))   

DegToRad(deg)
{
   static pi := 3.14159265358979323846
   return deg * pi / 180
}

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vlcek
 Post subject:
PostPosted: May 1st, 2009, 1:28 pm 
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Joined: February 19th, 2007, 9:03 am
Posts: 338
Location: Czech Republic
Now, I have problem with Asin(number.
When I want asin(0.5), the result is 30, but my calculator show 0.523... Why?

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tonne
 Post subject:
PostPosted: May 1st, 2009, 2:55 pm 
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Joined: June 6th, 2006, 3:19 pm
Posts: 1654
Location: Denmark
From the help file
Quote:
Note: To convert a radians value to degrees, multiply it by 180/pi (approximately 57.29578). To convert a degrees value to radians, multiply it by pi/180 (approximately 0.01745329252). The value of pi (approximately 3.141592653589793) is 4 times the arctangent of 1.


Code:
msgbox % RadToDeg(Asin(0.5))

RadToDeg(rad)
{
  static pi := 3.14159265358979323846
  return rad * 180 / pi
}

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