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## Recent Questions

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### (sintheetha + I Costheetha )^n Is Equal To

Modified 4 Minutes Ago Charles

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### If Z = Root 3 +i /2 Then The Value Of Z^69 Is

Modified 6 Minutes Ago Boris

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### If Sin A + Sin B + Sin Y = 0= Cosa+cosb+ CosY Then The Value Of Sin^ 2 A + Sin ^2 B + Sin ^ Y Is

Modified 9 Minutes Ago Michael

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### If Z1,z2,z3,z4 Are The Roots Of The Equation Z4=1 Then The Value Of Sigma Zi^3 Is

Modified 14 Minutes Ago Ishana

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### If A Is An Imaginary Cube Root Of Unity , Then For N â‚¬ N , The Value Of A^3n+1 + A^3n+3 + A^3n+5 Is

Modified 17 Minutes Ago Sophie

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### Givev Z =(1+i Root3 )100, Then Re(z)/Im(z) Equal

Modified 31 Minutes Ago Robert

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### (-1+i Root3 )^15 /(1-i)^20 + (-1-i Root 3)^15/(1+i)^20 Is Equal To

Modified 34 Minutes Ago Elizabeth

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### (- Root3 + I) ^53 Where I^2 = -1 Is Equal To

Modified 37 Minutes Ago Matt

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### If A Is A Complex Number Such That A^2-a+1 =o Then A^2011=

Modified 39 Minutes Ago Fiona

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### (1-w+w^2)(1-w^2+w^4)(1-w^4+w^8)....to 2n Factors Is

Modified 42 Minutes Ago Sally

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### The Smallest Positive Integral Value Of N Such That [1+sin Pi/8 + I Cos Pi/8 / 1+sin Pi/8 - I Cos Pi/8 /]^n

Modified 45 Minutes Ago Cameron

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### If W Is Complex Cube Root Of Unity, Then (1+w)(1+w^2)(1+w^4)(1+w^8).....to 2n Factors=

Modified 50 Minutes Ago Dan

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### We Express (cos2theetha - Sin 2 Theetha)^4 (cos4theetha+ I Sin 4theetha )^-5/(cos3theetha + I Sin 3Theetha)^-2 (cos3theetha - I Sin 3 Theetha)^-9 In The Form Of X + Iy , We Get

Modified 54 Minutes Ago Sean

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### The Value Of Cos30Â°+i Sin 30Â°/cos60Â°- I Sin 60Â° Is Equal To

Modified 59 Minutes Ago Dan

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### Let W Be An Imaginary Root Of X =1 Then ( 5-w)(5-w^2)..(5-w^n-1) Is

Modified 1 Hour 2 Minutes Ago Jennifer

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### [1+sin Theetha +icos Theetha /1+sin Theetha -i Cos Theetha]^n=

Modified 1 Hour 4 Minutes Ago Adam

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### If W Is Not Equal To 1 Is A Cube Root Of Unity, Then The Sum Of The Series S=1+2w+3w^2+...+3nw^3n-1 Is

Modified 1 Hour 8 Minutes Ago Connor

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### If 1,w,w^2 Are Three Cube Roots Of Unity, Then ( A+bw+ Cw^2)3 + (a+bw^2+ Cw)^3 Is Equal To, If A+b+c=0

Modified 1 Hour 11 Minutes Ago Harry

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### If Cube Root Of 1 Is W, Then The Value Of (3+w+3w^2)^4 Is

Modified 1 Hour 14 Minutes Ago Fds

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### If N Is A Positive Integer , Then (1 + I Root 3 ) Power N + ( 1 - I Root 3) Power N Is Equal To

Modified 1 Hour 21 Minutes Ago Tim

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### { (-1/2) + (root 3 /2) I } ^1000 =

Modified 1 Hour 18 Minutes Ago Gavin

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### If W Is An N^th Root Of Unity , Other Than Unity , Then The Value Of 1+w+w^2 + ....+ W^n-1 Is

Modified 1 Hour 37 Minutes Ago Jonathan

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### The Value Of A+bw+cw^2/b+cw+aw + A+bw+cw^2/c+aw+bw^2 Will Be

Modified 1 Hour 40 Minutes Ago Ritesh

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### If N Is Positive Integer , Then ( 1+i)^n + ( 1- I)^n Is Equal To

Modified 1 Hour 44 Minutes Ago Ryan

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### The Value Of (1-w+w^2)(1-w^2+w)6, Where W, W^2 Are Cube Roots Of Unity

Modified 1 Hour 47 Minutes Ago Trevor

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### (-1+iâˆš3/2)^20 + (-1-iâˆš3/2)^20=

Modified 1 Hour 54 Minutes Ago Isaac

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### If Iz^4+1=0, Then Z Can Take The Value

Modified 1 Hour 56 Minutes Ago Lucas

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### If 1/x +x=2cos Theetha , Then X^n+1/x^n Is Equal To

Modified 1 Hour 59 Minutes Ago Mary

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### If Z +z^-1 , Then Z^100+z^-1000 Is Equal To

Modified 2 Hour 2 Minutes Ago Tracey