The three sides of a right-angled triangle have specific names. The hypotenuse (\(h\)) is the longest side. It is opposite the right angle. The opposite side (\(o\)) is opposite the angle in question ...

SYDNEY, AUSTRALIA—A 3,700-year-old cuneiform tablet housed at Columbia University is inscribed with the world’s oldest and most accurate working trigonometric table, according to a report in The ...