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(a) Let :=x+yi be a complex number where x,y e R. Let n be a positive integer. Show that if ==1 and 1+z"+ +0, then is a real number 1+2 (b) Use Euler relation to find the values of Rand 0 such that Rcos(31+0) = 4sin( 31 +5+4cos 31 -5) where R&

匿名用户 最后更新于 2021-12-01 19:10 数学类Mathematics

(a) Let :=x+yi be a complex number where x,y e R. Let n be a positive integer. Show that if ==1 and 1+z"+ +0, then is a real number 1+2 (b) Use Euler relation to find the values of Rand 0 such that Rcos(31+0) = 4sin( 31 +5+4cos 31 -5) where R> 0 and - AKO 51. Express the values of 0 with 4 decimal places.

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