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    Re: Request for simple trig formula
    From: Walter Guinon
    Date: 2003 Apr 15, 06:32 -0700

    In a rt triangle each angle is equal to  inverse sin(opposite side/hypotenuse)
    --- David Weilacher  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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