In this task, you are given a sentence or phrase in English. You must translate it to Xhosa in a way that is equivalent in terms of meaning and grammatically correct.

This taught the sailor how many degrees must be added to, or subtracted from, his observed altitude in accordance with the positions of the Guards.
Le yafundisa abathengisi ukuba zingaphi izidonga ezunokongezwa, okanye zithatyathwe kujongo lomphakomo ngokwendawo eyiugadileyo.

Dataphone Digital Service (AT&T)
Inkonzo yamanani efowuni yogcino-lwazi (AT&T)

The danger area of a surf, therefore, extends from the seaward line of these largest breakers to the inshore line of the smallest breakers.

Eyona ndawo iyingozi elwandle, yiloo nto isukela elwandle kwezi ziqhekezi zikhulu ukuya ngasentlabathini kumgca wesincinci isiqhekezi