Re: Request for simple trig formula
Subject: Re: Request for simple trig formula
From: Walter Guinon (wguinon@XXX.XXX)
Date: Tue Apr 15 2003 - 09:32:36 EDT
In a rt triangle each angle is equal to inverse sin(opposite side/hypotenuse)
--- David Weilacher <daveweilacher@XXX.XXX> wrote:
> I need a favor.
>
> I don't recall the simple trig formulas and don't have the mental
> where-with-all to find anything using a search engine. I think it is because
> my mind just doesn't index the way they do.
>
> If I know the lengths of 3 sides of a triangle and one angle (90), how do I
> determine the two remaining angles.
>
> I do own a fancy calculator capable of sin, cos stuff.
>
> What I would like to come away with are the side-angle-side,
> angle-side-angle, and side-side-side formulas so that I can write them down
> in my address book for future reference.
>
> Thank you.
>
> PS: I am attempting to solve a problem indirectly related to navigation.
>
>
> Dave Weilacher
> .US Coast Guard licensed captain
> . #889968
> .ASA instructor evaluator and celestial
> . navigation instructor #990800
> .IBM AS400 RPG contract programmer
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