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Topic: Re: lecture topics
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W Gary Martin

Posts: 80
Registered: 12/6/04
Re: lecture topics
Posted: Jun 30, 1995 1:41 PM
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Kent: Your example is NOT a necessity argument. That is, you CAN introduce
trig with lecture, but there are other ways! Indeed, other ways that MAY be
more effective. For example, providing problem situations that motivate the
desirability of trig and provide a mathematical basis for setting up these
ratios. I have told my trig story recently so will not repeat it here.
I am still waiting for the a solution to: X => lecture.
Historical anecdotes are the closest candidates I've heard so far...
Gary

>Example: the introduction of triangle trig. You can teach the definitions of
>the sine, cosine and tangent for common angles between 0 and 90 degrees--
>also other angles using the calculator and do a few short applications (my
>first lecture in trig). Of course this, like all of my lectures is a very
>give and take situation with the odd irrelevant story tossed in every 10
>minutes of so (these are children were dealing with after all).
>
>Kent


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W. Gary Martin 1776 University Ave.
University of Hawaii Honolulu, HI 96822
Curriculum R & D Group (808)956-9956; FAX (808)956-4984







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