Spherical Trigonometry

对导航和海员球面三角学的袖珍指南。

A pocket guide for learning Spherical Trigonometry

8 Chapters to take you through the entire course of Spherical Trigonometry. Each chapter consists of introduction to the concept, video tutorials and examples, everything you need to understand the concepts of spherical trigonometry.

Learn essential topics like Sine Rule, Cosine Rule, Haversine Formulae, Napier’s Rules, Right Angled Spherical Triangle, Quadrantal Spherical Triangle, Polar Triangles, Four-part Formulae and some complex cases.

Each chapter is embedded with video tutorials and examples to help you get an detailed understanding of the concepts of Spherical trigonometry.

In short this app is your g to pocket guide for the tutorial and reference to learn Spherical Trigonometry for Navigators and Seafarers.