Solve the Formula for the Given Letter $X _ { C } = \frac { 1 } { 2 \pi f C } \text { for } f$

Multiple Choice

Solve the formula for the given letter. $X _ { C } = \frac { 1 } { 2 \pi f C } \text { for } f$

A) $f = \frac { 1 } { \pi C X _ { \varphi } }$
B) $f = \frac { 2 } { \pi C X _ { \varphi } }$
C) $f = \frac { C } { 2 \pi X _ { c } }$
D) $f = \frac { 1 } { 2 \pi C X _ { C } }$
E) $f = \frac { \pi } { 2 C X _ { c } }$