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stigma

Inverse consinus

5 posts in this topic

#1 ·  Posted (edited)

Hey,

Im trying to figure out what the autoit function is for calculating inverse consinus. Its been a long time since I did any school math around this so I am not sure if Acos is the same as inverse. Can someone please clarify for me? =)

-Stigma

Edited by stigma

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#2 ·  Posted (edited)

Trigonometric function at wikipedia.

Edit: erm, did not totally compute that question, sorry.

Edited by Uten

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#3 ·  Posted (edited)

I think 'inverse cosinus' is a Dutch / European way of pronouncing 'arc cos'..

$pi = 3.14159265358979

$degToRad = $pi / 180
$y = Sin(90 * $degToRad)  ;sine of 90°

$x = ASin($y) / $degToRad

MsgBox(0, $y, $x)
Edited by Manadar

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According to my favorite text book on all math I have forgotten (turns out to be about everything), your right @manadar. ACos, "arc cos" or cos-1(x) is the same as "inverse cos" in the domain 0<=x<=PI.

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Thanks. now I dont have to question myself every step while debugging my code =P

-Stigma

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