A student came to me with this problem, and sadly I do not know how to finish this problem, any help, please?
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What exactly do you want to do with this?
Originally Posted by tttcomrader A student came to me with this problem, and sadly I do not know how to finish this problem, any help, please? What is the problem, to evaluate that? Use your claculator, it is very unlikely to have a simple closed form. You can mess about with it using trig identities to expand the cos and then simplifying, so: Now expand the on the right .. CB
Umm... I'm still having some difficulties in expanding the right cos... I have So I should have but then how do I simplify that? The answer should have been according to the book...
Originally Posted by tttcomrader Umm... I'm still having some difficulties in expanding the right cos... I have So I should have but then how do I simplify that? The answer should have been according to the book... In that case either you have given us the wrong question or the book is wrong while CB
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