$$\frac { 1 } { z } = \left( \cos \frac { \pi } { 4 } + i \sin \frac { \pi } { 4 } \right)$$
Which of the following is the complex number z that satisfies this equation?
A) $\sqrt { 2 } ( 1 + i )$
B) $\sqrt { 2 } ( 1 - \mathrm { i } )$
C) $\frac { \sqrt { 2 } } { 2 } ( 1 + i )$
D) $\frac { \sqrt { 2 } } { 2 } ( 1 - \mathrm { i } )$
E) $\frac { 1 + i } { 2 }$
$$\frac { 1 } { z } = \left( \cos \frac { \pi } { 4 } + i \sin \frac { \pi } { 4 } \right)$$

Which of the following is the complex number z that satisfies this equation?\\
A) $\sqrt { 2 } ( 1 + i )$\\
B) $\sqrt { 2 } ( 1 - \mathrm { i } )$\\
C) $\frac { \sqrt { 2 } } { 2 } ( 1 + i )$\\
D) $\frac { \sqrt { 2 } } { 2 } ( 1 - \mathrm { i } )$\\
E) $\frac { 1 + i } { 2 }$