A Course of Mathematics ...: Designed for the Use of the Officers and Cadets of the Royal Military College, Volume 1C. Glendinning, 1807 - Mathematics |
From inside the book
Results 1-5 of 39
Page
... Tangents .. ... 280 Of the Logarithmic or Gunter's Scale on the Sector .. 286 Resolution of the Cases in Trigonometry 287 Of Heights and Distances 303 Method of determining the Error in angles of elevation or de- pression when taken ...
... Tangents .. ... 280 Of the Logarithmic or Gunter's Scale on the Sector .. 286 Resolution of the Cases in Trigonometry 287 Of Heights and Distances 303 Method of determining the Error in angles of elevation or de- pression when taken ...
Page 193
... tangent to the circle . 59. A secant is a right line which intersects the circumfer- ence of a circle . 60. Two circles are said to touch each other when the cir . cumferences of both pass through the same point without inter- secting ...
... tangent to the circle . 59. A secant is a right line which intersects the circumfer- ence of a circle . 60. Two circles are said to touch each other when the cir . cumferences of both pass through the same point without inter- secting ...
Page 195
... circle ; and as the same reasoning holds good with respect to every other point in PB or PA , it is evident that AB cuts off O part of the circle , but touches it at P. Corol . 1. Hence the angle formed by a tangent CC 2 193.
... circle ; and as the same reasoning holds good with respect to every other point in PB or PA , it is evident that AB cuts off O part of the circle , but touches it at P. Corol . 1. Hence the angle formed by a tangent CC 2 193.
Page 196
... tangent to them all . IG Corol 3. Therefore if two circles touch inwardly or out- wardly , their centres and the point of contact are in the same right line . 68. The angle formed by a tangent and a chord drawn from the point of contact ...
... tangent to them all . IG Corol 3. Therefore if two circles touch inwardly or out- wardly , their centres and the point of contact are in the same right line . 68. The angle formed by a tangent and a chord drawn from the point of contact ...
Page 197
... tangent to the circle at P. Then the sum of the three angles at P , or two right angles , is measured by half the circumference of the circle ( 68 , corol . ) . But half the circumference is half the arcs PG , GA , AP added together ...
... tangent to the circle at P. Then the sum of the three angles at P , or two right angles , is measured by half the circumference of the circle ( 68 , corol . ) . But half the circumference is half the arcs PG , GA , AP added together ...
Common terms and phrases
angle ACB arith arithmetical arithmetical mean base battalions bisect breadth centre chord ciphers circle circumference consequently corol cosine cube root cubic decimal defilé diameter diff difference distance ditch divided dividend division divisor example farthings feet figure frustum give given line half the arc half the perimeter height Hence horizontal improper fraction inches integer intersection isosceles least common multiple length logarithm mean proportional measure miles mixt number multiplied nearly number of terms opposite angles paces parallel parallelogram perpendicular plane polygon prism pyramid quadrilateral quotient radius ratio rectangle Reduce remainder rhombus right angles right line right-angled triangle scale of equal segment shillings sides similar sine square root subtracted Suppose tangent Theodolite toises VULGAR FRACTIONS whole number yards
Popular passages
Page 100 - Multiply the whole augmented divisor by this last quotient figure, and subtract the product from the said dividend, bringing down to the next period of the given number, for a new dividend. Repeat the same process over again — viz. find another new divisor, by doubling all the figures now...
Page 95 - If the errors are unlike, divide the sum of the products by the sum of the errors, and the quotient will be the answer.
Page 220 - A solid angle is that which is made by the meeting of more than two plane angles, which are not in the same plane, in one point. X. ' The tenth definition is omitted for reasons given in the notes.
Page 180 - Magnitudes which coincide with one another, that is, which exactly fill the same space, are equal to one another.
Page 114 - When any number of quantities are proportionals, as one antecedent is to its consequent, so is the sum of all the antecedents to the sum of all the consequents.
Page 189 - A sector, is any part of a circle bounded by an arc, and two radii, drawn to its extremities. A quadrant, or quarter of a circle, is a sector having a quarter part of the circumference for its arc, and the two radii perpendicular to each other.
Page 334 - To find the area of a triangle. RULE.* Multiply the base by the perpendicular height, and half the product will be the area.
Page 165 - To Divide One Number by Another, Subtract the logarithm of the divisor from the logarithm of the dividend, and obtain the antilogarithm of the difference.
Page 211 - If there be any number of proportionals, as one antecedent is to its consequent, so is the sum of all the antecedents to the sum of all the consequents.
Page 207 - Similar rectilineal figures are those which have their several angles equal, each to each, and the sides about the equal angles proportionals. II. " Reciprocal figures, viz. triangles and parallelograms, " are such as have their sides about two of their " angles proportionals in such a manner, that a side