Mathematics: Compiled from the Best Authors and Intended to be the Text-book of the Course of Private Lectures on These Sciences in the University at Cambridge, Volum 2Printed at the University Press, by WilliamHilliard, 1801 |
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Side 9
... measured by the number of degrees , contained in the arc cut off by the legs of the an- gle , and whose centre is the angular point . A right angle is therefore an angle of 90 degrees ; and the sum of the three angles of every triangle ...
... measured by the number of degrees , contained in the arc cut off by the legs of the an- gle , and whose centre is the angular point . A right angle is therefore an angle of 90 degrees ; and the sum of the three angles of every triangle ...
Side 11
... measured . The sine , tangent , and secant of every degree and min- ute in a quadrant are calculated to the radius 1 ... measure the required parts by the same scale . In the second method ; having stated the terms of the pro- portion ...
... measured . The sine , tangent , and secant of every degree and min- ute in a quadrant are calculated to the radius 1 ... measure the required parts by the same scale . In the second method ; having stated the terms of the pro- portion ...
Side 14
... A37 ° 20 ' . 3. With the centre B , and radius 232 , taken from the same scale of equal parts , cross AC in C. 4. Draw BC , and the triangle is constructed . Then Then the angles B and C , measured by the 34 PLANE TRIGONOMETRY .
... A37 ° 20 ' . 3. With the centre B , and radius 232 , taken from the same scale of equal parts , cross AC in C. 4. Draw BC , and the triangle is constructed . Then Then the angles B and C , measured by the 34 PLANE TRIGONOMETRY .
Side 15
... measured by the scale of chords , and the side AC , measured by the scale of equal parts , will be found to be as follows : viz . ZB 27 ° ZC 115 Or 78 Or 64 AC 174 Or 374 Arithmetically . As side BC 232 2 ° 3654880 To side BA 345 2 ...
... measured by the scale of chords , and the side AC , measured by the scale of equal parts , will be found to be as follows : viz . ZB 27 ° ZC 115 Or 78 Or 64 AC 174 Or 374 Arithmetically . As side BC 232 2 ° 3654880 To side BA 345 2 ...
Side 23
... measuring the angles , they appear to be near- ly of the following dimensions , viz . ZA37 ° , 2B = 27 ° , and C = 115 ° Arithmetically . Having let fall the perpendicular CP , it will be , As AB 345 BC + CA = 406 07 :: BC - CA = 57'93 ...
... measuring the angles , they appear to be near- ly of the following dimensions , viz . ZA37 ° , 2B = 27 ° , and C = 115 ° Arithmetically . Having let fall the perpendicular CP , it will be , As AB 345 BC + CA = 406 07 :: BC - CA = 57'93 ...
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Mathematics: Compiled from the Best Authors and Intended to be the Text-book ... Samuel Webber Uten tilgangsbegrensning - 1801 |
Mathematics: Compiled from the Best Authors, and Intended to be the ..., Volum 2 Uten tilgangsbegrensning - 1808 |
Vanlige uttrykk og setninger
abscisses ADBA altitude angle answer axes axis azimuth base breadth bung diameter cask centre chord circumference cone conjugate cosine course curve declination departure dial diff difference of latitude difference of longitude distance divided draw drawn ecliptic ellipse equal equinoctial EXAMPLES feet figure find the area find the solidity frustum given head diameter height Hence horizon hour angle hour lines hyperbola hypotenuse intersection latit measure meridian middle latitude miles multiply the sum NOTE oblique circle opposite ordinate parabola parallel of latitude parallel sailing parallelogram perpendicular plane sailing pole primitive PROBLEM PROBLEM projection proportion quadrant radius rectangle Required the area Required the content right ascension right line RULE secant segment side sphere spherical triangle spindle square star station stile subtract sun's tance tang tangent THEOREM transverse trapezium triangle ABC ullage wine gallons yards
Populære avsnitt
Side 21 - As the base or sum of the segments Is to the sum of the other two sides, So is the difference of those sides To the difference of the segments of the base.
Side 17 - To find the other side: — as the sum of the two given sides is to their difference, so is the tangent of half the sum of their opposite angles to the tangent of half their difference...
Side 83 - A sphere is a solid bounded by a curved surface, every point of which is equally distant from a point within called the center.
Side 328 - The conjugate to any diameter is the line drawn through the centre, and parallel to the tangent of the curve at the vertex of the diameter. So...
Side 28 - But if the hypothenuse be made radius -, then each leg "will represent the sine of its opposite angle ; namely, the leg AB the sine of the arc AE or angle c, and the leg BC the sine of the arc CD or angle A.
Side 83 - The axis of a solid is a line drawn from the middle of one end to the middle of the opposite end ; as between the opposite ends of a prism.
Side 83 - The sphere may be conceived to be formed by the revolution of a semicircle about its diameter, which remains fixed.
Side 130 - Between these, in a right line, stands an ancient statue, the head whereof is 97 feet from the summit of the higher, and 86 feet from the top of the lower column, and the distance between the...
Side 205 - All the interior angles of any rectilineal figure, together with four right angles, are equal to twice as many right angles as the figure has sides.
Side 38 - Multiply the sum of the two parallel sides by the perpendicular distance between them, and half the product will be the area.