Discovered in the 5 th century B.C. by none other than Pythagoras himself, the Pythagorean Theorem (a 2 + b 2 = c 2) lies at ...

Most trigonometry students look at triangles on a flat surface. However, people from ancient astronomers to modern navigators calculated the arc lengths and angles of triangles on a sphere. They used ...

Ne'Kiya Jackson and Calcea Johnson made national headlines, won their school a large grant, and were invited to publish ...

Death to triangles!” Luckily, triangles survived nonetheless—and thrived. In “Love Triangle: How Trigonometry Shapes the ...

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 ...

It may be necessary to use Pythagoras' theorem and trigonometry to solve a problem. The shape ABCDEFGH is a cuboid. Length AB is 6 cm, length BG is 3 cm and length FG ...

Containing practical explanations, problem solving techniques, examples, and exercises, this thorough text begins with arithmetic and then presents basic mathematical manipulations, geometry, ...

Most trigonometry students look at triangles on a flat surface. However, people from ancient astronomers to modern navigators calculated the arc lengths and angles of triangles on a sphere. They used ...