A Collection of Problems and Examples Adapted to the "Elementary Course of Mathematics.": With an Appendix Containing the Questions Proposed During the First Three Days of the Senate-House Examinations in the Years 1848, 1849, 1850, and 1851J. Deighton, 1851 - 173 σελίδες |
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Σελίδα 46
... right angle were divided into 100 ° instead of 90o , what would be the value of an angle of 36 ° 7 ′ ? 13. Determine the number of degrees into which the right Problems and Examples in Algebra Trigonometry.
... right angle were divided into 100 ° instead of 90o , what would be the value of an angle of 36 ° 7 ′ ? 13. Determine the number of degrees into which the right Problems and Examples in Algebra Trigonometry.
Σελίδα 47
... degrees into which the right angle must be divided in order that an angle of 30o may be measured by the number 40 . 14. Shew that as the angle increases each of the trigonometrical functions changes sign whenever it passes through the ...
... degrees into which the right angle must be divided in order that an angle of 30o may be measured by the number 40 . 14. Shew that as the angle increases each of the trigonometrical functions changes sign whenever it passes through the ...
Σελίδα 54
... right - angled triangle , the lines drawn from the acute angles to the point of bisection of the opposite sides are a , ẞ , respectively ; find the angles . 7 * . In the triangle ABC , BC = 236 feet , angle ABC = 26 ° 30 ′ , and angle ...
... right - angled triangle , the lines drawn from the acute angles to the point of bisection of the opposite sides are a , ẞ , respectively ; find the angles . 7 * . In the triangle ABC , BC = 236 feet , angle ABC = 26 ° 30 ′ , and angle ...
Σελίδα 55
... right - angled triangle , if the hypothenuse be divided into two segments x and y , by the line which bisects the right angle , and t = the tangent of half the difference of the acute angles , then 15 . x y1 + t : 1 - t . Given the angles ...
... right - angled triangle , if the hypothenuse be divided into two segments x and y , by the line which bisects the right angle , and t = the tangent of half the difference of the acute angles , then 15 . x y1 + t : 1 - t . Given the angles ...
Σελίδα 56
... right - angled triangle is less than the sum of the two sides by the diameter of the in- scribed circle . 23 . If two triangles have an angle of the one equal to one angle of the other , and also another angle of the one equal to the ...
... right - angled triangle is less than the sum of the two sides by the diameter of the in- scribed circle . 23 . If two triangles have an angle of the one equal to one angle of the other , and also another angle of the one equal to the ...
Άλλες εκδόσεις - Προβολή όλων
A Collection of Problems and Examples, Adapted to the Elementary Course of ... Harvey Goodwin Δεν υπάρχει διαθέσιμη προεπισκόπηση - 2019 |
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Συχνά εμφανιζόμενοι όροι και φράσεις
angular points arithmetical arithmetical mean arithmetical series axis base bisects centre of gravity chord circle concave convex lens cos² cosec curve cylinder Describe determine diameter direction distance Divide drawn elastic balls ellipse equal equation equilibrium feet find the height Find the number find the position Find the velocity fluid focal length force geometrical focus geometrical progression geometrical series given point given velocity given weight horizontal plane hyperbola immersed inches incident inclined plane inscribed latus rectum luminous point mirror motion moving Multiply observed parabola parallel parallelogram pencil of rays perpendicular placed pressure proportional prove pullies quantities radii radius ratio reflexion refracted respectively right angle shew sides sin² specific gravity sphere spherical square St John's College straight line string passing Subtract surface tangent tower triangle vertex
Δημοφιλή αποσπάσματα
Σελίδα 111 - If two triangles have two sides of the one equal to two sides of the...
Σελίδα 128 - To divide a given straight line into two parts, so that the rectangle contained by the whole and one of the parts, shall be equal to the square of the other part.
Σελίδα 111 - If a straight line be divided into two equal parts, and also into two unequal parts, the rectangle contained by the unequal parts, together with the square on the line between the points of section, is equal to the square on half the line.
Σελίδα 112 - EQUAL straight lines in a circle are equally distant from the centre ; and those which are equally distant from the centre, are equal to one another.
Σελίδα 144 - ... a circle. The angle in a semicircle is a right angle: the angle in a segment greater than a semicircle is less than a right angle ; and the angle in a segment less than a semicircle is greater than a right angle.
Σελίδα 160 - Triangles upon equal bases, and between the same parallels, are equal to one another.
Σελίδα 112 - 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 160 - In any right-angled triangle, the square which is described upon the side subtending the right angle, is equal to the squares described upon the sides which contain the right angle.