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1. ### 3d vectors?

Line AB = A + sAB Line CD = C + tCD Calculate the directional vectors. u = AB = <...

1 Answers · Science & Mathematics · 01/04/2008

2. ### Phiosphy / math help. René Descartes and Gottfried Leibniz?

Potted Leibnitz http://www.maths. tcd .ie/pub/HistMath/People/Leibniz/RouseBall/...

3 Answers · Science & Mathematics · 12/11/2006

3. ### How do I solve this maths problem on trigonometry?

... T' be the top of the tree and T be the base of the tree. TCD is a right triangle in the horizontal plane, where CD = 65 m and TC...

3 Answers · Science & Mathematics · 26/03/2009

4. ### Pyramids and cones?

...————— 26. H = height of cone TCD h = height of cone TAB Cones are similar Volume of cone...

2 Answers · Science & Mathematics · 17/04/2017

5. ### Circle Theorems and Tangents help? Picture included.?

...180° - TCB = 52° (linear pair of angles) DCA = TCA - TCD = 49° - 21° = 28° (sum of its parts) DCO = 28° + 41° = 69° (sum...

2 Answers · Science & Mathematics · 25/01/2011

6. ### what are the two formulas of mode?

It looks at the formula here: http://www.maths. tcd .ie/~dwilkins/LaTeXPrimer/MathMode.html http://math.about.com/library/weekly/aa020502a.htm I wait to help, happy day and luck! =).

1 Answers · Science & Mathematics · 07/11/2008

7. ### Two circles of radii 4cms and 1cm touch each other externally and (theta) is the angle contained by their dire?

...circle is ( M,4) and (N,1) Let the common tangent, is TCD and TEF. C and E on the 1 cm circle while D and ...

2 Answers · Science & Mathematics · 04/11/2012

8. ### AP Calculus Final Project Ideas?

...differentiation. See this web site and look up others. http://www.maths. tcd .ie/pub/HistMath/People/Barrow/RouseBall/...

3 Answers · Science & Mathematics · 09/04/2013

9. ### i have to make a project on history of maths which site should i visit for this proj?????????????????????????

...www.scit.wlv.ac.uk/university/scit/maths/history.htm http://www.maths. tcd .ie/pub/HistMath/ http://en.wikipedia.org/wiki/History_of_mathematics...

2 Answers · Science & Mathematics · 29/05/2007