Elements of Plane and Spherical Trigonometry: With Numerous Practical Problems

2sin ABC and DEF adjacent adjacent angles angle opposite applied base circle circumference compute cos.a cos.b cos.a sin.b cos.c cosec Cosine Cotang decimal Degrees diameter distance equal equation Fasquelle's find the angles formula greater half difference half sum Hence the proposition hypotenuse included angle inscribed sphere isosceles less Let ABC loga logarithmic sine lune measured miles mutually equilateral N.sine natural sines perpendicular plane triangle Plane Trig pole Prop proportion quadrantal side quadrantal triangle radius right-angled spherical triangle right-angled triangle rithms Robinson's SCHOLIUM secant second member side AC sides and angles sin.a cos.b sin.a sin.b sin.c sin.com sine.JN sines and cosines solid angles sphere Spherical Geometry spherical polygon spherical triangle ABC SPHERICAL TRIGONOMETRY subtracting supplement surface tan.a Tang tangent three sides University Algebra whence yards