Elements of Trigonometry: Plane and Spherical

acute angle of elevation base building called celestial CHAPTER Check circle circular colog comp compute cos x cosc cosh cotangent Cotg curves decimal directly Dividing equal equator EXERCISES Express extending figure Find the angle Find the distance Find the height formulas Given greater Hence hill hyperbolic included increases latitude length light-house limit logarithm loge longitude mantissa measured miles minutes negative observed obtain opposite perpendicular plane pole positive Prove quadrant radians radius regular remaining represented Required respectively result right angle right triangle roots ship side sin x sine sinh solution solved sphere spherical triangle ABC tan x Tang tangent terminal line tower town tree TRIGONOMETRIC FUNCTIONS values written x cos yards ΙΟ بن