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Lösung 2.1:3b

Aus Online Mathematik Brückenkurs 2

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Version vom 10:16, 11. Mär. 2009

As the integral stands, it is not so easy to see what the primitive functions are, but if we use the formula for double angles,

2sinxcosxdx=sin2xdx 

we obtain a standard integral where we can write down the primitive functions directly,

sin2xdx=−2cos2x+C 

where C is an arbitrary constant.

Von „http://wiki.math.se/wikis/2009/bridgecourse2-TU-Berlin/index.php/L%C3%B6sung_2.1:3b“