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solving differential equations


Hi, 

when solving differential equations analytically with mathematica,
I always get the solutions in the form of complex exponential 
functions and not in the form of the equivalent trigonometric
functions. Simplify does no good, is there any way to change that?

Regards,

Johannes Natterer
-- 

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Johannes Natterer
Institut fuer Physikalische Chemie der Universitaet Bonn


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