[" 4.Show that one of the values of "],[([1+sin(pi)/(8)+i cos(pi)/(8)],[1+sin(pi)/(8)-i cos(pi)/(8)])^(8/3)" is "-1]

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" **4.Show that one value of "((1+sin(pi)/(8)+i cos(pi)/(8))/(1+sin(pi)/(8)-i cos(pi)/(8)))^((8)/(3))=-1

Find the value of (a) sin(pi)/(8) (b) cos(pi)/(8) (c) tan (pi)/(8)

The expression [(1+sin((pi)/(8))+i cos((pi)/(8)))/(1+sin((pi)/(8))-i cos((pi)/(8)))]^(8)

((sin (pi/8)+i cos (pi/8))/(sin (pi/8)-i cos (pi/8)))^(8)=

((sin((pi)/(8))+i cos((pi)/(8)))^(8))/((sin((pi)/(8))-i cos((pi)/(8)))^(8)) =

[(1+sin(pi//8)+icos(pi//8))/(1+sin(pi//8)-icospi//8)]^(-8//3)

Prove that ((1+sin.(pi)/(8)+icos.(pi)/(8))/(1+sin.(pi)/(8)-icos.(pi)/(8)))^(8)=-1

Show that one value of ((1 + sin . pi/8 + i cos . pi/8)/(1 + sin . pi/8 - i cos . pi/8))^(8//3) " is " - 1 .

The value of (sin frac(pi)(8) + i cos frac(pi)(8))^(8)/((sin frac(pi)(8) - i cos frac(pi)(8))^(8)) is :