## Trigonometry 7th Edition

$64^{\circ} 9'$
$37^{\circ} 45'$ + $26^{\circ} 24'$ $37^{\circ} 45'$ $26^{\circ} 24'$ _____ $63^{\circ} 69'$ carrying $60'$ i.e. $1^{\circ}$ from minute column to the degree column, we get the desired sum as- $64^{\circ} 9'$