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Unformatted text preview: a. 4 e j π b. e j c. 3 e j π /4 d. 2 e j 6 π 3. For each of the following complex numbers, write the result in the form indicated a. jej π /2 write it in polar form b. write it in rectangular form 4 / π j je − 4. Find a simpler expression for each of the following functions and make a neat and precise sketch the function: a. x ( t ) = Re{ e j ( ω t + π /2) } b. x ( t ) = Re{ e j ( ω t + j 2 t ) } c. x [ n ] = Im{e j 4 π n } d. x ( t ) = cos( ω t ) + j sin( ω t )...
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 Fall '08
 FOWLER
 Complex number, Imaginary unit, Euler's formula

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