a sailor is standing on the deck of a ship, using a sextant to measure the angle between the horizon and the top of a distant lighthouse. By applying trigonometry, the sailor can calculate the ship's position and navigate to its destination.
a sailor is standing on the deck of a ship, using a sextant to measure the angle between the horizon and the top of a distant lighthouse. By applying trigonometry, the sailor can calculate the ship's position and navigate to its destination.
a sailor is standing on the deck of a ship, using a sextant to measure the angle between the horizon and the top of a distant lighthouse. By applying trigonometry, the sailor can calculate the ship's position and navigate to its destination.
a man standing on a boat
an illustration of a man standing on a lighthouse
a man with a beard looking through a telescope
a man looking at a lighthouse