Spherical trigonometryJ. Noon, 1736 |
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Αποτελέσματα 1 - 5 από τα 30.
Σελίδα i
... plain it in a more eafy and perfpicuous Method , through all its Parts And to fhew its extenfive Ufe in all the Parts of Ma- thematical Science . By BENJAMIN MARTIN , Teacher of the Mathema- ticks in Chichefter , and Author of the ...
... plain it in a more eafy and perfpicuous Method , through all its Parts And to fhew its extenfive Ufe in all the Parts of Ma- thematical Science . By BENJAMIN MARTIN , Teacher of the Mathema- ticks in Chichefter , and Author of the ...
Σελίδα 2
... plain Surface ; and hence it is called Projection of the Sphere in Plano ; this is of two Kinds , Orthographic and Stereographic . IV . Orthographical Projection of the Sphere , is when its Circles are projected on a Plane , by Rays of ...
... plain Surface ; and hence it is called Projection of the Sphere in Plano ; this is of two Kinds , Orthographic and Stereographic . IV . Orthographical Projection of the Sphere , is when its Circles are projected on a Plane , by Rays of ...
Σελίδα 4
... plain the Mid- dle Part is the Complement of V. XX . The Extreme Parts Conjunt or Adjacent , are thofe two Parts of the Five which are immediately next to the Middle Part ; thus if the Middle Part be the Complement of the Angle V , the ...
... plain the Mid- dle Part is the Complement of V. XX . The Extreme Parts Conjunt or Adjacent , are thofe two Parts of the Five which are immediately next to the Middle Part ; thus if the Middle Part be the Complement of the Angle V , the ...
Σελίδα 12
... , F , in the Section of the Plane A B. And ' tis plain , by Theo . 3 . E197911F B D B £ 999977F that all the intermediate Points 0 , 0 , 0 , 0 , 0 , & c . will be projected into the Points q , q , will 12 Theorems ferving to the.
... , F , in the Section of the Plane A B. And ' tis plain , by Theo . 3 . E197911F B D B £ 999977F that all the intermediate Points 0 , 0 , 0 , 0 , 0 , & c . will be projected into the Points q , q , will 12 Theorems ferving to the.
Σελίδα 26
... plain from the Calendar . II . When the Sun is in the Sign Cancer , ' tis plain the Days are then longeft , and the Nights the shortest they can be to us in the Latitude of Lon- don ; that is the Semidiurnal Arch , a , is then the ...
... plain from the Calendar . II . When the Sun is in the Sign Cancer , ' tis plain the Days are then longeft , and the Nights the shortest they can be to us in the Latitude of Lon- don ; that is the Semidiurnal Arch , a , is then the ...
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Συχνά εμφανιζόμενοι όροι και φράσεις
adjacent Angle alfo Altitude Analemma Analogy Arch Azimuth Bafe Baſe becauſe BIFH Cafe Center Chords Circles of Latitude Co-fine Co-tangent Colure Complement confequently Cufp Declination defcribe Degrees Demonftration Dial Diameter Diſtance draw E. D. THEOREM Eaft Ecliptic equal Equinoctial faid fame fhall fhew find the Angle find the Hypothenufe find the Leg find the Side firft firſt folving fuch fuppofe given the Side Globe greateſt half Sum Half-Tangent Horizon Hour-Lines Houſes Interfection laft Latitude leffer lefs Longitude meaſured Meridian muſt North Numbers Oblique Circle oppofite paffeth Parallel Perpendicular Plane recline Pofition Point Pole Prime Vertical Prob PROBLEM Projection Quadrant Radius Reclining Plane Right Afcenfion Right Line Right-angled Spherical Triangles Scheme Semicircle Sine Sine of half Sphere Spherical Angle Spherical Trigonometry Sun's Tangent of half thefe theſe thofe thoſe Tropic of Capricorn Weft Wherefore whofe
Δημοφιλή αποσπάσματα
Σελίδα 75 - The three angles of a spherical triangle are together greater than two right angles and less than six right angles. Let A, B, C be the angles of a spherical triangle ; let a', b', o' be the sides of the polar triangle. Then by Art. 30, a...
Σελίδα 185 - TO THEIR DIFFERENCE ; So IS THE TANGENT OF HALF THE SUM OF THE OPPOSITE ANGLES', To THE TANGENT OF HALF THEIR DIFFERENCE.
Σελίδα 186 - The cosine of half the sum of two sides of a spherical triangle is to the cosine of half their difference as the cotangent of half the included angle is to the tangent of half the sum of the other two angles.
Σελίδα 186 - The cosine of half the sum of two angles of a spherical triangle is to the cosine of half their difference as the tangent of half the included side is to the tangent of half the sum of the other two sides.
Σελίδα 186 - The sine of half the sum of two angles of a spherical triangle is 'to the sine of half their difference as the tangent of half the included side is to the tangent of half the difference of the other two sides.
Σελίδα 241 - It commences in the morning and ends in the evening, when the sun is 18° below the horizon.
Σελίδα 5 - Equinoctial (counted from the beginning of Aries) which cometh to the Meridian with the Sun or Stars, or with any portion of the Eclyptick.
Σελίδα 365 - Dialogue, adapted purpofely to the Capacities of the Youth of both Sexes ; and adorned and illuftrated with variety of Copper- Plates.
Σελίδα 75 - Side *»» is the Supplement of the Angle H, and the Angle E of the Side G D.
Σελίδα 205 - Superficies to M ; And, as two right Angles are to F, So is half the fpherical Superficies to K.