((1+sinx+icosx)/(1+sinx-icos))^n can any help me about this problem
Last edited by mr fantastic; November 28th 2011 at 11:41 AM. Reason: Re-titled.
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Originally Posted by nylon ((1+sinx+icosx)/(1+sinx-icos))^n can any help me about this problem What exactly is the question??
Use Euler's formula : ,so you can rewrite expression into : ...etc. Final result should be :
Hello, nylon! I did it "the long way" . . . We have: . Multiply numerator and denominator by the conjugate of the denominator: . . . . . . . . . . . . . . . . . . . . . . . . . . Hence: . Can you finish up?
Originally Posted by princeps Use Euler's formula : ,so you can rewrite expression into : ...etc. Final result should be : Except the expression was , not ...
Originally Posted by Prove It Except the expression was , not ... You are absolutely right. I have misread the question...So, let me try again
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