Elements of Trigonometry: Plane and Spherical

Adding adjacent angle or arc angled spherical triangle base becomes column comp compute considered Construct corresponding cosec cosine cotangent cotx determine diameter Diff difference distance divided draw equal example EXERCISES extremes fall feet figure Finally Find the angles formula given gives greater hence hypotenuse increase known less than 180 limit log cot log sin LOGARITHMIC FUNCTIONS manner means measuring method multiple N.sine Napier's natural negative oblique angle observe obtain opposite passing perpendicular plane triangle preceding Prob produce project the triangle proposition quadrant radius readily relations represent right angled right angled triangle rules secant side similar sin a sin sine solution solve the triangle species student subtract tan x tang tangent trigonometrical functions values whence x cos y