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sqrt(2)

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2/sqrt(2) 2003-05-07
From Mike:
I was looking at an example of csc 45 deg where

csc = hyp / opp = 1 / (sqrt(2) / 2) = 2 / sqrt(2) = sqrt(2)

I just don't get this. If sqrt(2) = 1.4142145..... How can 2 / sqrt(2) = sqrt(2) as the example shows?


Answered by Penny Nom.
Comment fait on pour justifier que... 2002-09-30
From Lucie:
Comment fait on pour justifier que p au carré est égal à 2 fois q au carré?
Answered by Claude Tardif.
 
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