The Elements of Euclid: viz. the first six books, together with the eleventh and twelfth; and also the book of Euclid's DataBell & Bradfute, 1835 - 513 σελίδες |
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Σελίδα 5
... SPHERICAL TRIGONOMETRY , BY JOHN DAVIDSON , A. M. AUTHOR OF " A SYSTEM OF PRACTICAL MATHEMATICS , " & c . EDINBURGH : BELL & BRADFUTE ; STIRLING & KENNEY ; AND OLIVER & BOYD : JAMES DUNCAN ; GEO . COWIE & CO .; AND T. ALLMAN , LONDON ...
... SPHERICAL TRIGONOMETRY , BY JOHN DAVIDSON , A. M. AUTHOR OF " A SYSTEM OF PRACTICAL MATHEMATICS , " & c . EDINBURGH : BELL & BRADFUTE ; STIRLING & KENNEY ; AND OLIVER & BOYD : JAMES DUNCAN ; GEO . COWIE & CO .; AND T. ALLMAN , LONDON ...
Σελίδα 7
... SPHERICAL TRIGONOMETRY , 483 Napier's Rules for the Circular Parts , Rules for Right Angled Spherical Triangles , Rules for Oblique Angled Spherical Triangles , 496 509 511 PREFACE . THE opinions of the moderns concerning the Author ...
... SPHERICAL TRIGONOMETRY , 483 Napier's Rules for the Circular Parts , Rules for Right Angled Spherical Triangles , Rules for Oblique Angled Spherical Triangles , 496 509 511 PREFACE . THE opinions of the moderns concerning the Author ...
Σελίδα 11
... a learned gentleman . To which are also added , the Elements of Plane and Spherical Trigonometry , which are commonly taught after the Elements of Euclid . ADVERTISEMENT TO THIS EDITION . ALTHOUGH various attempts have been PREFACE . vii.
... a learned gentleman . To which are also added , the Elements of Plane and Spherical Trigonometry , which are commonly taught after the Elements of Euclid . ADVERTISEMENT TO THIS EDITION . ALTHOUGH various attempts have been PREFACE . vii.
Σελίδα 11
... Spherical Trigonometry , the main objections , advanced against that part of the work in former editions , are now obviated ; and he confidently trusts that the present im- pression will be found more accurate and complete than any of ...
... Spherical Trigonometry , the main objections , advanced against that part of the work in former editions , are now obviated ; and he confidently trusts that the present im- pression will be found more accurate and complete than any of ...
Σελίδα 187
... sphere is a solid figure described by the revolution of a semicircle about its diameter , which remains unmoved . XV . The axis of a sphere is the fixed straight line about which the semicircle revolves . XVI . The centre of a sphere is ...
... sphere is a solid figure described by the revolution of a semicircle about its diameter , which remains unmoved . XV . The axis of a sphere is the fixed straight line about which the semicircle revolves . XVI . The centre of a sphere is ...
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The Elements Of Euclid: Viz. The First Six Books, Together With The Eleventh ... Robert Simson,Euclid,John Davidson Δεν υπάρχει διαθέσιμη προεπισκόπηση - 2019 |
Συχνά εμφανιζόμενοι όροι και φράσεις
ABCD altitude angle ABC angle BAC arch base BC BC is equal BC is given bisected Book XI centre circle ABC circumference cone cosine cylinder demonstrated described diameter draw drawn equal angles equiangular equimultiples Euclid ex æquali excess fore given angle given in magnitude given in position given in species given magnitude given ratio given straight line gles gnomon greater half the perimeter hypotenuse join less Let ABC multiple parallel parallelogram perpendicular point F polygon prism proportionals proposition Q. E. D. PROP radius rectangle CB rectangle contained rectilineal figure remaining angle right angles segment side BC similar sine solid angle solid parallelepiped spherical angle square of AC straight line AB straight line BC tangent THEOR tiple triangle ABC vertex wherefore
Δημοφιλή αποσπάσματα
Σελίδα 95 - 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.
Σελίδα 153 - 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.
Σελίδα 306 - Again ; the mathematical postulate, that " things which are equal to the same are equal to one another," is similar to the form of the syllogism in logic, which unites things agreeing in the middle term.
Σελίδα 11 - A circle is a plane figure contained by one line, which is called the circumference, and is such that all straight lines drawn from a certain point within the figure to the circumference are equal to one another.
Σελίδα 11 - Upon the same base, and on the same side of it, there cannot be two triangles that have their sides which are terminated in one extremity of the base equal to one another, and likewise those which are terminated in the other extremity.
Σελίδα 317 - Equiangular parallelograms have to one another the ratio which is compounded of the ratios of their sides.
Σελίδα 54 - In every triangle, the square on the side subtending either of the acute angles, is less than the squares on the sides containing that angle, by twice the rectangle contained by either of these sides, and the straight line intercepted between the...
Σελίδα 26 - IF a straight line fall upon two parallel straight lines it makes the alternate angles equal to one another ; and the exterior angle equal to the interior and opposite, upon the same side ; and likewise the two interior angles upon the same side together equal to two right angles.
Σελίδα 11 - If a straight line meet two straight lines, so as to make the two interior angles on the same side of it taken together less than two right angles...
Σελίδα 93 - A circle is said to be described about a rectilineal figure, when the circumference of the circle passes through all the angular points of the figure about which it is described. VII. A straight line is said to be placed in a circle, when the extremities of it are in the circumference of the circle.