Search All of the Math Forum:
Views expressed in these public forums are not endorsed by
Drexel University or The Math Forum.


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


(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. *****



