Drexel dragonThe Math ForumDonate to the Math Forum



Search All of the Math Forum:

Views expressed in these public forums are not endorsed by Drexel University or The Math Forum.


Math Forum » Discussions » sci.math.* » sci.math.independent

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

Advanced Search

Back to Topic List Back to Topic List Jump to Tree View Jump to Tree View   Messages: [ Previous | Next ]
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 27, 2012 9:40 AM
  Click to see the message monospaced in plain text Plain Text   Click to reply to this topic Reply

(Retrying correction that didn?t carry through to Google Groups)

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

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

Should be: ?A lot of times there may be...?

> 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~
>
> -----
>   Wikipedia?Contributor Home Page:
>
>               http://en.wikipedia.org/wiki/User:Kaimbridge
>
>     *****  Void Where Permitted; Limit 0 Per Customer.  *****




Point your RSS reader here for a feed of the latest messages in this topic.

[Privacy Policy] [Terms of Use]

© Drexel University 1994-2014. All Rights Reserved.
The Math Forum is a research and educational enterprise of the Drexel University School of Education.