They used special globes and instruments to make measurements and teach. The Smithsonian collections are particularly rich in models for spherical trigonometry by Worcester, Massachusetts, high school ...

A map of the night sky created by the ancient Greek astronomer Hipparchus was recently discovered at St. Catherine Monastery in Egypt.

FOUR of the most important formulæ in spherical trigonometry were given by Gauss, without proof, in his “Theoria Motus Corporum Cœlestium” (1809), and were therefore called Gauss's theorems ...

The first is dB math required for the presentation of propagation-theory formulas. The second is spherical trigonometry to develop EW engagement models, you have to be able to rotate vectors in space ...

Why do people believe this, and is it even worth getting into a debate over? Paul M. Sutter is an astrophysicist at SUNY Stony Brook and the Flatiron Institute, host of Ask a Spaceman and Space ...

Steps from the Las Vegas Strip, the Las Vegas Sphere is a multi-billion-dollar entertainment venue that's redefining residencies.

Instead, he shows us how he put together an interactive spherical display that won ... to keep things upright while he dusted off his trigonometry skills in order to figure out how to get ...

Unlike the JavaScript version of the CSS trigonometric functions, the CSS functions accept both angles and radians for the argument. Perhaps the nicest thing about having this functionality in CSS ...

Throughout the centuries, the mythical Stone Tower has been a fascinating enigma for geographers, historians, and ...

An animated guide to using trigonometry. Trigonometric terms are explained and examples are used to show how to find unknown angles and sides for right-angled triangles. Use as an introduction or ...

Special functions, which include the trigonometric functions, have been used for centuries ... the Selberg integral and its applications, spherical harmonics, q-series, partitions, and Bailey chains.

They used special globes and instruments to make measurements and teach. The Smithsonian collections are particularly rich in models for spherical trigonometry by Worcester, Massachusetts, high school ...