Plane Trigonometry for Colleges and Secondary SchoolsLongmans, Green, and Company, 1899 - 206 sider |
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Plane Trigonometry, for Colleges and Secondary Schools Daniel Alexander Murray Uten tilgangsbegrensning - 1901 |
Plane Trigonometry for Colleges and Secondary Schools Daniel Alexander Murray Uten tilgangsbegrensning - 1900 |
Plane [and Spherical] Trigonometry for Colleges and Secondary Schools Daniel Alexander Murray Uten tilgangsbegrensning - 1908 |
Vanlige uttrykk og setninger
A+B+C acute angles angle of elevation base calculated CHAPTER Checks circle circumscribing computation cos² cosec cotangent deduced definitions denoted Derive equal equation EXAMPLES expression figure Find the distance Find the height formulas fourth quadrants geometry graph graphical method Hence hypotenuse included angle initial line inverse trigonometric functions isosceles triangle law of sines Law of Tangents length logarithms M₁ M₁P₁ mathematics negative NOTE number of sides OP₁ opposite perpendicular quantity radian measure radius regular polygon relations revolve right angles right-angled triangle sec² secant Show sin² sine and cosine solution of triangles Solve ABC spherical trigonometry subtended tables tan-¹ tan² tangent terminal line theorems tion tower triangle ABC trigono trigonometric functions trigonometric ratios turning line whole number X₁
Populære avsnitt
Side 194 - The area of a regular polygon inscribed in a circle is a geometric mean between the areas of an inscribed and a circumscribed regular polygon of half the number of sides.
Side 122 - It follows that the ratio of the circumference of a circle to its diameter is the same for all circles.
Side vii - ... facility other French books. In the Dictionary at the end, is given the meaning of every- word contained in the book. The explanatory words are placed at the end of the book, instead of at the foot of the page; by this method learners will derive considerable benefit.
Side 54 - 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 = \ ab.
Side 18 - Arcs 60 seconds (") =1 minute (') 60 minutes = 1 degree (°) 90 degrees = 1 right angle 360 degrees = 1 circle...
Side 5 - The characteristic of the logarithm of a number greater than 1 is a positive integer or zero, and is one less than the number of digits to the left of the decimal point.
Side 191 - Two observers on the same side of a balloon, and in the same vertical plane with it, are a mile apart, and find the angles of elevation to be 17° and 68° 25' respectively : what is its height ? [1836 feet.
Side 173 - AC is the side of a regular inscribed polygon of double the number of sides, namely, 2 n sides.
Side 51 - At a point 200 feet from, and on a level with the base of a tower, the angle of elevation of the top of the tower is observed to be 60° : what is the height of the tower?