"Let the turning point be R"
:.R-Q=113^@ "Given"
:.P-R=23^@ "Given"
:.R-P=23^@+180^@=203^@
:.203^@-113^@=90^@=angleR
:."in right" triangle "QPR" :-
:.tan angle P=4/5=0.8 arctan=38^@39'35''=angle P
:.180^@-(90^@+38^@39'35'')=51^@20'25''=angle Q
:.113^@+180^@=293^@=" bearing Q-R"
:.293^@-51^@20'25''=241^@39'35''="bearing Q-P"
:."bearing P-Q"=241^@39'35''-180^@=61^@39'35''="bearing P-Q"