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Topic: Name/Identity Of Trig Function Conversion Concept?
Replies: 2   Last Post: May 27, 2012 9:40 AM

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 Kaimbridge M. GoldChild Posts: 79 From: 42.57°N/70.89°W; FN42nn (North Shore, Massachusetts, USA) Registered: 3/28/05
Re: Name/Identity Of Trig Function Conversion Concept?
Posted: May 22, 2012 11:51 AM

Fixed typo:

On May 21, 7:54 pm, Kaimbridge wrote:
> Let?s say you have tan(Ñ) = (X/Y)*tan(N).
> A lot of there may be identical conversion factors for

^^^^^^^^^^^^^^

Should be "A lot of times there may be..."

> sine and cosine that cancel out: E.g.,
>
> sin(Ñ) = X*Q*sin(N); cos(Ñ) = Y*Q*cos(N);
>
> In this case the Qs cancel, but you don?t know what Q
> is if you are only given the tangent form.
>
> But, if you let TC(N) = ((X*sin(N))^2 + (Y*cos(N))^2)^.5,
>
> then sin(Ñ) = X*sin(N)/TC(N) and cos(Ñ) = Y*cos(N)/TC(N);
>
> Does the function/concept ?TC(N)? have a particular
> name/identity?

~Kaimbridge~

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