trig woes

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#1784

From: Ralph Paul Haskins
Date: Sat, 05 Feb 1994 03:42

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  I find the sine and cosine laws too complex for the majority of regular
 physics students and don't go over
> the procedure unless pressed.  For solving non-right(whadaya cal those?)
> they are expected to use scaled drawings.  Most like the drawings over the
> functions.   The high ability students find the drawings unnecessary and
> even boorriinngg.

     We usually break down the non perpendicular vectors into their x and
y components and use their sums.  The students may find this a longer
method than using the laws of sines and cosines, but they are more
comfortable with it.

Ralph P. Haskins
Edinburg High School
Edinburg, TX

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Subject: trig woes
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