Given that , show that zē + z + 2 + (1/z) + (1/(zē)) = can someone help me prove?? urgent
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Originally Posted by ngwixn Given that , show that zē + z + 2 + (1/z) + (1/(zē)) = can someone help me prove?? urgent Are you familiar with deMoivre's theorem? Then: . . . So the left hand side of the identity is equal to . From here you should be able to substitute from the appropriate double angle formula and simplify to get .....
Thanks alot
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