Euclid's Elements of Geometry: From the Latin Translation of Commandine, to which is Added, a Treatise of the Nature and Arithmetic of Logarithms ; Likewise Another of the Elements of Plane and Spherical Trigonometry ; with a Preface ...W. Strahan, 1782 - 399 páginas |
Dentro del libro
Resultados 1-5 de 37
Página
... Series omitted by the AUTHOR ; and the Difference between Dr. KEILL and Mr. CUNN impartially examined and adjusted . LONDON : Printed for W. STRAHAN , JF . and RIVINGTON , T. LONGMAN , B. LAW , T. CADELL , E. JOHNSTON , G. ROBINSON ...
... Series omitted by the AUTHOR ; and the Difference between Dr. KEILL and Mr. CUNN impartially examined and adjusted . LONDON : Printed for W. STRAHAN , JF . and RIVINGTON , T. LONGMAN , B. LAW , T. CADELL , E. JOHNSTON , G. ROBINSON ...
Página
... Series of Conclufions , do deduce that univerfal Property of Proportionals which Euclid affirms ; a Procedure foreign enough to the juft Methods and Rules of Reajoning . They would certainly have done much better , if they had first ...
... Series of Conclufions , do deduce that univerfal Property of Proportionals which Euclid affirms ; a Procedure foreign enough to the juft Methods and Rules of Reajoning . They would certainly have done much better , if they had first ...
Página
... Series , given in the Treatifes on Trigonometry and Logarithms , and demonftrated in the Appendix ; for the greatest Part of these were fo badly difpofed , as to be unintelligible , even to those who understand the Subject ; these are ...
... Series , given in the Treatifes on Trigonometry and Logarithms , and demonftrated in the Appendix ; for the greatest Part of these were fo badly difpofed , as to be unintelligible , even to those who understand the Subject ; these are ...
Página 286
... Series converging in infinitum ; from which , having the Arcs given , their Sines may be found . Thus , if an Arc be called A , and the Radius be an Unit , the Sine thereof will be found to be As A7 1 ' A9 + - & c . 1.2.3.45 1.2.3.4.5.6 ...
... Series converging in infinitum ; from which , having the Arcs given , their Sines may be found . Thus , if an Arc be called A , and the Radius be an Unit , the Sine thereof will be found to be As A7 1 ' A9 + - & c . 1.2.3.45 1.2.3.4.5.6 ...
Página 287
... Series converges very flow , and therefore , to remedy this , I bave devifed other Series , fimilar to the Newtonian ones , wherein I fuppofe , the Arc , whofe Sine is fought , is the Sum or Difference of two Arcs , viz . A + z , or A ...
... Series converges very flow , and therefore , to remedy this , I bave devifed other Series , fimilar to the Newtonian ones , wherein I fuppofe , the Arc , whofe Sine is fought , is the Sum or Difference of two Arcs , viz . A + z , or A ...
Términos y frases comunes
ABCD adjacent Angles alfo equal alſo Angle ABC Baſe becauſe bifected Centre Circle A B C Circumference Cofine Cone confequently Cylinder defcribed demonftrated Diameter Diſtance drawn equal Angles equiangular Equimultiples faid fame Altitude fame Multiple fame Plane fame Proportion fame Reafon fecond fhall be equal fimilar fince firft folid Parallelopipedon fome fore ftand fubtending given Right Line Gnomon join leffer lefs likewife Logarithm Magnitudes Meaſure Number parallel Parallelogram perpendicular Polygon Prifm Prop PROPOSITION Pyramid Quadrant Ratio Rectangle Rectangle contained remaining Angle Right Angles Right Line A B Right-lined Figure Segment Semicircle ſhall Sides A B Sine Solid Sphere Square Subtangent thefe THEOREM thofe thro tiple Triangle ABC Unity Vertex the Point Wherefore whofe Bafe
Pasajes populares
Página 193 - If two triangles have two angles of the one equal to two angles of the other, each to each, and one side equal to one side, viz.
Página xxiii - If two triangles have two sides of the one equal to two sides of the other, each to each ; and have likewise the angles contained by those sides equal to each other; they shall likewise have their bases, or third sides, equal; and the two triangles shall be equal; and their other angles shall be equal, each to each, viz. those to which the equal sides are opposite.
Página 236 - If two triangles have one angle of the one equal to one angle of the other and the sides about these equal angles proportional, the triangles are similar.
Página 11 - ... sides equal to them of the other. Let ABC, DEF be two triangles which have the two sides AB, AC equal to the two sides DE, DF, each to each, viz. AB equal to DE, and AC to DF ; but...
Página 85 - EA : and because AD is equal to DC, and DE common to the triangles ADE, CDE, the two sides AD, DE are equal to the two CD, DE, each to each ; and the angle ADE is equal to the angle CDE, for each of them is a right angle ; therefore the base AE is equal (4.
Página 147 - A straight line is said to be cut in extreme and mean ratio, when the whole is to the greater segment as the greater segment is to the less.
Página 50 - CB, and to twice the rectangle AC, CB: but HF, CK, AG, GE make up the whole figure ADEB, which is the square of AB ; therefore the square of AB is equal to the squares of AC, CB, and twice the rectangle AC, CB. Wherefore, if a straight line be divided, &c.
Página xxv - EF (Hyp.), the two sides GB, BC are equal to the two sides DE, EF, each to each. And the angle GBC is equal to the angle DEF (Hyp.); Therefore the base GC is equal to the base DF (I.
Página xxxiv - ... therefore their other sides are equal, each to each, and the third angle of the one to the third angle of the other (26.
Página 194 - ABC, and they are both in the same plane, which is impossible ; therefore the straight line BC is not above the plane in which are BD and BE: wherefore, the three straight lines BC, BD, BE are in one and the same plane. Therefore, if three straight lines, &c.