Hi Nick,
In trigonometry, these "inverse" functions are called "arc"
functions. You can perform these inverse functions using the
following keystrokes (I don't remember the QT commands)
ArcSine: SPACE with t, s (write a number between 0 and 1, and
KeyPlus should give you the angle or radian measurement depending
on angle unit).
ArcCosine: SPACE with t, c (same as inverse sine).
ArcTangen: SPACE with t, t (useful for figuring out angle of the
hypotenuse).
Cheers,
Joseph P.S. I'm not sure whether KeyPlus could be useful for
solving calculus (differential equations/integrals) questions
though.
----- Original Message -----
From: Nick Cocchiarella <[EMAIL PROTECTED]
To: Bn List <[email protected]
Date sent: Tue, 13 May 2008 17:38:02 -0500
Subject: [Braillenote] an urgent calculator question
Hello people,
This is a rather urgent question I've had for about a week.
Is there any way to do the inverse of sines, cosines, or tangents
on the bn's calculator? All the sighties have an inverse button
on their calcs, and because of this I'm really struggling with my
homework every night. Any help would be greatly appreciated.
Thanks in advance,
Nick
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