pls can anybody help me with a book link or material that treat this sort of problem above, am having challenges with it. thanks.
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Originally Posted by lawochekel pls can anybody help me with a book link or material that treat this sort of problem above, am having challenges with it. thanks. there's no particular trick to this. You just need to observe where within the limits of integration |cos2x| changes sign and account for it. on [0,pi/4], [3pi/4, 5pi/4] on [pi/4, 3pi/4], [5pi/4, 6pi/4] so split the integral up into these pieces using as appropriate.
Originally Posted by lawochekel help me with a book link or material that treat this sort of problem above, am having challenges with it. This is a nasty problem. Look at this webpage. On your question, I would do the integration by parts formula first. Then use the derivative formula (just above that) on the new integral.
Last edited by Plato; December 21st 2013 at 04:01 PM.
my apologies. I assumed your formula was just mangled like so many here. Ignore my last post.
thanks guys.
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