Spherical trigonometry

Rarity: Uncommon

A topic a little better known than average, read and translated beyond its own country.

Rarity follows how well known the article is: its views on the French and English Wikipedia over a year, and the number of languages it exists in.

At a glance

Class

Notion

Domain

Science and technology

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1 player has it in their collection.

What Wikipedia says

Spherical trigonometry is the branch of spherical geometry and trigonometry that deals with the metrical relationships between the sides and angles of spherical triangles, traditionally expressed using trigonometric functions. On the sphere, geodesics are great circles.

Excerpt from the Wikipedia article “Spherical trigonometry”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: TheOtherJesse (SVG version), Steven G. Johnson (PNG original), Public domain, via Wikimedia Commons.