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The Common Roots Of Tge Equation X^12-1=0, X4+x^2+1=0
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If [(1+cos Theetha+ I Sin Theetha)/i+sin Theetha + I Cos Theetha]^4 = Cos N Theetha+i Sin N Theetha, Then N Is Equal To
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The Product Of All The Roots Of [cos (pi/3) + I Sin (pi/3)]^3/4
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If Tan^-1 (a+ib)=x+iy, Then X =
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The Value Of [(cos A+ I Sin A)(cos B + I Sin B)]/[( CosY +i SinY)(cos Delta + I Sin Delta )] Is
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(sin Theetha + I Cos Theetha) Is Equal To
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If Z =(root3+i)/2, Then The Value Of Z^69 Is
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If Sin A +sin B + Sin Y =0=cos A + Cos B + Cos Y, Then The.value Of Sin^2 A +sin 2 B + Sin ^2 Y Is
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If A Is An Imaginary Cube Root Of Unity, Then For N€ N, The Value Of A^3n+1 + A^3n+3 + A^3n+5 Is
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Let Wn =cos[2pi/n] + I Sin [2pi/n], I^2 = -1 Then (x+yw3+zw^2+)(x+yw^2+zw3) Is Equal To
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If W Is Not Equal To 1 Is Cube Roote Of Unity , Then The Sum Of Series S = 1 + 2w+3w^2+...+3nw^3n-1 Is
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[-1/2 +( Root3/2) I]^1000=
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Givev Z =(1+i Root3 )100, Then Re(z)/Im(z) Equal
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(- Root3 + I) ^53 Where I^2 = -1 Is Equal To
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If A Is A Complex Number Such That A^2-a+1 =o Then A^2011=
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(1-w+w^2)(1-w^2+w^4)(1-w^4+w^8)....to 2n Factors Is
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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
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If Cube Root Of 1 Is W, Then The Value Of (3+w+3w^2)^4 Is
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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
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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
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The Value Of A+bw+cw^2/b+cw+aw + A+bw+cw^2/c+aw+bw^2 Will Be
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If N Is Positive Integer , Then ( 1+i)^n + ( 1- I)^n Is Equal To
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