Elements of Geometry and Plane and Spherical Trigonometry: With Numerous Practical ProblemsIvison, Phinney, Blakeman & Company, 1867 - 445 σελίδες |
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Σελίδα 6
... .. 248 Equations for the Sines of the Angles ..... Natural Sines , Cosines , etc ..... Trigonometrical Lines for Arcs exceeding 90 ° .... 260 265 27 SECTION II . Plane Trigonometry , Practically Applied . Logarithms vi CONTENTS .
... .. 248 Equations for the Sines of the Angles ..... Natural Sines , Cosines , etc ..... Trigonometrical Lines for Arcs exceeding 90 ° .... 260 265 27 SECTION II . Plane Trigonometry , Practically Applied . Logarithms vi CONTENTS .
Σελίδα 7
... Logarithms ... 272 .... 278 GENERAL APPLICATIONS WITH THE USE OF LOGARITHMS . I. Right - Angled Trigonometry ...... II . Oblique - Angled Trigonometry .. Practical Problems ... SECTION III . 288 291 295 Application of Trigonometry to ...
... Logarithms ... 272 .... 278 GENERAL APPLICATIONS WITH THE USE OF LOGARITHMS . I. Right - Angled Trigonometry ...... II . Oblique - Angled Trigonometry .. Practical Problems ... SECTION III . 288 291 295 Application of Trigonometry to ...
Σελίδα 261
... logarithmic table , we must write the equations thus , - - sin . A = VR R ( 8 R2 ( s sın . B = R2 ( 8 - sin . C = · b ) ( 8 · bc a ) ( 8 ac GAR - a ) ( 8 — b ) ab A large angle should not be determined by these equations , for the same ...
... logarithmic table , we must write the equations thus , - - sin . A = VR R ( 8 R2 ( s sın . B = R2 ( 8 - sin . C = · b ) ( 8 · bc a ) ( 8 ac GAR - a ) ( 8 — b ) ab A large angle should not be determined by these equations , for the same ...
Σελίδα 272
... logarithms . But logarithms are no part of Trigonometry , and serve only to facilitate the numeri- cal operations . Trigonometrical computations can be made without logarithms , and were so made long before the theory of logarithms was ...
... logarithms . But logarithms are no part of Trigonometry , and serve only to facilitate the numeri- cal operations . Trigonometrical computations can be made without logarithms , and were so made long before the theory of logarithms was ...
Σελίδα 278
... logarithms ; but , before using them , the student should be made acquainted with their nature and pro- perties . LOGARITHMS . Logarithms are the exponents of the powers to which a fixed number , called the base , must be raised , to ...
... logarithms ; but , before using them , the student should be made acquainted with their nature and pro- perties . LOGARITHMS . Logarithms are the exponents of the powers to which a fixed number , called the base , must be raised , to ...
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ABCD altitude angle opposite axis bisected chord circle circumference circumscribed common cone convex surface cos.a cos.b cos.c Cosine Cotang diagonal diameter dicular difference distance divided draw equal angles equation equiangular equivalent find the angles formulæ four magnitudes frustum given line greater Hence the theorem homologous hypotenuse included angle inscribed intersect isosceles less Let ABC logarithm measured multiplied N.sine number of sides opposite angles parallelogram parallelopipedon pendicular perpen perpendicular plane ST polyedron PROBLEM produced Prop proportion PROPOSITION prove pyramid quadrantal radii radius rectangle regular polygon right angles right-angled spherical triangle right-angled triangle SCHOLIUM secant segment similar sin.a sin.b sin.c sine solid angles sphere SPHERICAL TRIGONOMETRY square straight line subtracting Tang tangent three angles three sides triangle ABC triangular prisms Trigonometry vertex vertical angle volume