Convert the Angle in Degrees to Radians $\pi .$ --45° A) $- \frac { \pi } { 5 }$

Multiple Choice

Convert the angle in degrees to radians. Express the answer as multiple of $\pi .$
--45° A) $- \frac { \pi } { 5 }$
B) $- \frac { \pi } { 6 }$
C) $- \frac { \pi } { 4 }$
D) $- \frac { \pi } { 3 }$