10sin(5 x) cos(5 x)-5 sin(5 x) is the the deritive of the function sin^2 5x + cos 5x , 0<x<2pie/5

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- November 22nd 2010, 06:55 AMjbirdwellFinding Critical points of function
10sin(5 x) cos(5 x)-5 sin(5 x) is the the deritive of the function sin^2 5x + cos 5x , 0<x<2pie/5

- November 22nd 2010, 07:07 AMDrSteve
That is correct. Are you asking how to set the derivative equal to zero?

If this is your question, then you can factor out 5sin(5x), and set each factor to zero.

If you want details let me know.