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Lösung 4.3:4c

Aus Online Mathematik Brückenkurs 1

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Version vom 15:05, 22. Okt. 2008

The formula for double angles gives

sin2v=2sinvcosv

and from exercise b, we have sinv=1−b2 . Thus,

sin2v=2b1−b2. 
Von „http://wiki.sommarmatte.se/wikis/2009/bridgecourse1-TU-Berlin/index.php/L%C3%B6sung_4.3:4c“