Plane TrigonometryLongmans, Green, and Company, 1906 |
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Página i
Daniel Alexander Murray. PLANE AND SPHERICAL TRIGONOMETRY WITH TABLES D. A. MURRAY , B.A. , PH.D. 6 PLANE TRIGONOMETRY FOR COLLEGES AND SECONDARY SCHOOLS BY DANIEL CHAPTER.
Daniel Alexander Murray. PLANE AND SPHERICAL TRIGONOMETRY WITH TABLES D. A. MURRAY , B.A. , PH.D. 6 PLANE TRIGONOMETRY FOR COLLEGES AND SECONDARY SCHOOLS BY DANIEL CHAPTER.
Página vi
... chapters of the book contain little more about trigonometric ratios and angular analysis than is sufficient to enable ... chapter on trigonometry ) , care has been taken to pre- pare the mind of the learner for the reception of new ideas ...
... chapters of the book contain little more about trigonometric ratios and angular analysis than is sufficient to enable ... chapter on trigonometry ) , care has been taken to pre- pare the mind of the learner for the reception of new ideas ...
Página vii
... chapters . These collections will be found useful , both in the short reviews that may be required on the completion of each chapter and in the larger and more general reviews . Many of the examples have been taken from examina- tion ...
... chapters . These collections will be found useful , both in the short reviews that may be required on the completion of each chapter and in the larger and more general reviews . Many of the examples have been taken from examina- tion ...
Página viii
... express his thanks for the pains taken by Mr. Bruegel to make the figures a pleasing feature of the book . CORNELL UNIVERSITY , August , 1899 . D. A. MURRAY . ART . CONTENTS . CHAPTER I. REVIEW OF LOGARITHMS . viii PREFACE .
... express his thanks for the pains taken by Mr. Bruegel to make the figures a pleasing feature of the book . CORNELL UNIVERSITY , August , 1899 . D. A. MURRAY . ART . CONTENTS . CHAPTER I. REVIEW OF LOGARITHMS . viii PREFACE .
Página ix
... CHAPTER II . TRIGONOMETRIC RATIOS OF ACUTE ANGLES . 8. Ratio . Measure 9. Incommensurable quantities . Approximations 10. Linear measure . Drawing to scale . Direct measurement by means of drawing • • 11. Degree measure . The protractor ...
... CHAPTER II . TRIGONOMETRIC RATIOS OF ACUTE ANGLES . 8. Ratio . Measure 9. Incommensurable quantities . Approximations 10. Linear measure . Drawing to scale . Direct measurement by means of drawing • • 11. Degree measure . The protractor ...
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Términos y frases comunes
A+B+C acute angle algebraic centre CHAPTER circumscribing computation cos² cosec cotangent deduced denoted Derive diedral angle draw equal equator EXAMPLES expression figure Find the distance formulas geometry given Hence hypotenuse included angle inscribed circle intersection latitude law of cosines law of sines length logarithms mantissa mathematics meridian method NOTE number of degrees number of sides opposite perpendicular plane triangle Plane Trigonometry polar triangle pole positive quadrant radian measure radii radius regular polygon relations respectively right angles right triangles right-angled triangle secant Show sides and angles sin² solid angle solution Solve ABC sphere spherical angle spherical degree spherical excess spherical polygon spherical triangle spherical trigonometry subtended surface tables tan² tangent terminal line three angles tower triangle ABC trigono trigonometric functions trigonometric ratios π π
Pasajes populares
Página 52 - A sin B sin C Cosine Law: cos a = cos b cos c + sin b sin c cos A cos b = cos c cos a + sin c sin a cos B cos c = cos a cos b...
Página 42 - I. The sine of the middle part is equal to the product of the tangents of the adjacent parts.
Página 108 - The sum of the angles of a spherical triangle is greater than two and less than six right angles ; that is, greater than 180° and less than 540°. (gr). If A'B'C' is the polar triangle of ABC...
Página 74 - The area of the surface of a sphere is four times the area of a great circle.
Página 108 - In any triangle the square of any side is equal to the sum of the squares of the other two sides minus twice the product of these two sides and the cosine of their included angle.
Página 72 - The lateral area of a frustum of a cone of revolution is equal to one-half the sum of the circumferences of its bases multiplied by its slant height. Hyp. S is the lateral area, C and C...
Página 62 - Geometry that the area of a triangle is equal to one-half the product of the base by the altitude. Therefore, if a and b denote the legs of a right triangle, and F the area, F THE RIGHT TRIANGLE.
Página 128 - It follows that the ratio of the circumference of a circle to its diameter is the same for all circles.
Página 200 - Show that the area of a regular polygon inscribed in a circle is a mean proportional between the areas of an inscribed and circumscribing polygon of half the number of sides.
Página 202 - Find the area of a regular polygon of n sides inscribed in a circle, and show, by increasing the number of sides of the polygon without limit, how the expression for the area of the circle may be obtained. 13. (a) Find the distance at which a building 50 ft. wide will subtend an angle of 3'. (6) A church spire 45 ft. high subtends an angle of 9