Recitation 4ans

Recitation 4ans - Recitation 4 Answers 1. a,b,c. eit = 1 +...

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Recitation 4 Answers 1. a,b,c. e it = 1 + it + it () 2 2! + it 3 3! + it 4 4! + it ( ) 5 5! + ... = 1 t 2 + t 4 ... + it t 3 + t 5 ... = cos t + i sin t d. e it = cos t i sin t 2 a. cos t = e it + e it 2 sin t = e it e it 2 i b. cos iy = e y + e y 2 sin iy = e y e y 2 i c. cos iy = cosh
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This note was uploaded on 04/01/2008 for the course MATH 1224 taught by Professor Dontremember during the Fall '08 term at Virginia Tech.

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