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From: Trevor J. Kenchington (no email)
Date: Fri May 21 2004 - 20:20:25 EDT
Fred,
For when you return from Maine: The point that you appear to be missing
is that Doug's #3 and #4 are not two sides of any triangle but two
distances measured along the same radius of a circle.
Trevor Kenchington
You wrote:
> Trevor,
>
> I'm not sure what point it is I'm supposed to be missing, but Doug is
> finding the sine of 61 degrees by a graphical method while I was
> finding it using sine tables or a calculator or a Taylor series. A
> Taylor series is how the tables are calculated, and, I'm not sure of
> this one, but believe it to be correct, how the calculator evaluates
> it. The radius in Doug's method is the hypotenuse of the triangle and
> Doug's height is the opposite side, except he translates it to the
> y-axis to measure it.
>
> Off to Maine, so I'll be off-list for 5 days.
Previously, you wrote:
>> > A graphical method of computing the sine of a function. Sine is
>> > opposite over the hypotenuse. #3 =opposite, #4=hypotenuse.
--
Trevor J. Kenchington PhD
Gadus Associates, Office(902) 889-9250
R.R.#1, Musquodoboit Harbour, Fax (902) 889-9251
Nova Scotia B0J 2L0, CANADA Home (902) 889-3555
Science Serving the Fisheries
http://home.istar.ca/~gadus
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