This video explores how spherical trigonometry was developed and applied in Islamic scholarship, highlighting its role in astronomy, navigation, and scientific study through history. Chevron reacts to ...

Abstract: The accurate rotor position identification of the permanent magnet spherical motor (PMSM) is crucial to its closed-loop control. A design method for the Hall sensor array and a novel method ...

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THIS volume gives a systematic treatment of the subject of spherical trigonometry, based on the sound foundation of Todhunter rearranged and amplified. While the merit of the original work is ...

Footage from the streets of China captured a scene straight from a science fiction novel – spherical drones alongside patrolling law enforcement. Chinese robotics company, Logon Technology, unveiled ...

I am creating a spherical arrangement from a curve on a sphere. This curve represents a closed spherical triangle, it should split the sphere into two faces: one for the triangle, another for the ...

An illustration of a magnifying glass. An illustration of a magnifying glass.

A line drawing of the Internet Archive headquarters building façade. An illustration of a magnifying glass. An illustration of a magnifying glass.

With all due respect to Pythagoras, newly uncovered evidence suggests that his famous theorem, used to calculate the lengths of each side of a right triangle, might be 1,000 years older than him. That ...

Vertices and angles at the vertices are denoted by the same upper-case letters A, B anc C. The sum of the angles is Length of the sides are denoted by lower-case letters a, b and c and represent their ...