## A Treatise on Plane and Spherical Trigonometry (Google eBook) |

### What people are saying - Write a review

We haven't found any reviews in the usual places.

### Common terms and phrases

2cos a.cos a.sin analytical arithmetical Astronomy B.cos b.sin Binomial Theorem calculation chord circumference co-secant co-tan complement computed consequently decimal deduced degrees determined difference divide equal equation Euclid Example fraction given Hence horizontal angle included angle instance investigation latter loga means multiple arcs multiply nearly negative oblique observed angles obtained opposite perpendicular plane preceding method Prob Problem Prop Proposition quadrant quadratic equation quantity radius rectilinear triangles registered computations represent required to express right angle right ascension root secant Sherwin's Tables sides similar triangles similarly simple arc sine and cosine solution spherical angle spherical excess spherical triangle Spherical Trigonometry substitute subtract supplemental triangle supposed symbols tangent terms involving Theorem three angles Treatise Trigonometrical formulae Trigonometrical Survey Trigonometrical Tables versed sine versin