spherical trigonometry

Throughout his life he also did extensive work with spherical trigonometry.

It consists of five books on plane and spherical trigonometry.

The above two methods both ultimately require the use of spherical trigonometry.

He was the first to list the six distinct cases of a right triangle in spherical trigonometry.

With a good watch and some knowledge of spherical trigonometry you might even guess your longitude to within a few hundred.

Hence you need a textbook on spherical trigonometry and/or navigation.

He is also currently working on the first book on spherical trigonometry in over 50 years.

A related treatise on spherical trigonometry is also attributed to him.

He also discovered spherical trigonometry, along with other interesting trigonometrical results.

In spherical trigonometry, triangles on the surface of a sphere are studied.

Muslim mathematicians developed spherical trigonometry which was used in these calculations.

In spherical trigonometry, angles are defined between great circles.

He was also a pioneer in spherical trigonometry.

He also discovered the law of sines for spherical trigonometry:

Thus spherical trigonometry is different from ordinary trigonometry in many respects.

Or perhaps he used spherical trigonometry.

There was also some awareness that much of plane and spherical trigonometry could be attributed to Islamic authors".

He might have used spherical trigonometry.

His mathematical works were in the areas of spherical trigonometry, as well as conic sections.

He already knew practical seamanship and navigation: spherical trigonometry was as natural to him as breathing.

Guo worked on spherical trigonometry, using a system of approximation to find arc lengths and angles.

From the 9th century onward they were using spherical trigonometry and map projection methods to determine these quantities accurately.

Bhaskara II developed spherical trigonometry, and discovered many trigonometric results.

As a teenager, she was fascinated with mathematics and embarked on a self-education program, teaching herself, among other things, spherical trigonometry.

Indeed, Dawlish and that fellow Hornblower had done their best to teach him spherical trigonometry.