Solve Integral 17(sin(x))^3(cos(x))^9

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Homework Statement



Integral 17(sin(x))^3(cos(x))^9

http://www.mediafire.com/imageview.php?quickkey=55l9ediwdqxsg4f&thumb=4



Homework Equations


Integration


The Attempt at a Solution


I get (-17(5sin(x))^2 +1)(cos(x))^10)/60. But I'm wrong. It says I need to change something but I don't know what.
 
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substitute for cosx. then you will see that one of the sinx goes out with the change of integration variable. then you should be able to solve it easily
 
Thread 'Use greedy vertex coloring algorithm to prove the upper bound of χ'

Thread 'Use greedy vertex coloring algorithm to prove the upper bound of χ'

Hi! I am struggling with the exercise I mentioned under "Homework statement". The exercise is about a specific "greedy vertex coloring algorithm". One definition (which matches what my book uses) can be found here: https://people.cs.uchicago.edu/~laci/HANDOUTS/greedycoloring.pdf Here is also a screenshot of the relevant parts of the linked PDF, i.e. the def. of the algorithm: Sadly I don't have much to show as far as a solution attempt goes, as I am stuck on how to proceed. I thought...
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