$(25\%)$ Problem $4$: Consider the two vectors:

vec$(A)=(15\mathrm{.}6)hat(i)+(19\mathrm{.}7)hat(j)$

vec$(B)=(3\mathrm{.}78)hat(i)-(5\mathrm{.}04)hat(j)$

$25\%$ Part $($a$)$ What is the magnitude of the vector vec$(C)=$vec$(A)-$vec$(B)?$

$C=$

$\backslash$table$[[sin(),cos(),tan(),,(,,7,8,9,$HONII$],[cotan(),$asin$(),$acos$(),E,,,4,5,6,],[atan(),$acotan$(),sinh(),,,,1,2,3,],[cosh(),tanh(),cotanh(),,+,-,0,.,,]]$