A Treatise on Plane and Spherical Trigonometry: With Their Most Useful Practical Applications |
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A Treatise on Plane and Spherical Trigonometry: With Their Most Useful ... John Bonnycastle Δεν υπάρχει διαθέσιμη προεπισκόπηση - 2014 |
A Treatise on Plane and Spherical Trigonometry: With Their Most Useful ... John Bonnycastle Δεν υπάρχει διαθέσιμη προεπισκόπηση - 2018 |
Συχνά εμφανιζόμενοι όροι και φράσεις
acute added adjacent altitude ambiguous angle apparent base become CALCULATION centre chords circle complement cosec cosine describe diameter diff difference distance draw equal equation Example expressions Extend extent will reach feet former formulæ given given side gives greater greater than 90 half height Hence horizon hypothenuse kind latitude latter less than 90 logarithms longitude manner means measured meridian moon's object oblique observed obtain opposite opposite angle passing perpendicular plane plane triangle points pole PROBLEM projected quadrant radius remaining required to find right ascension right-angled spherical triangle rising RULE scale semitangent setting side side AC sines sphere spherical triangle spherical triangle ABC star substituted supplement tables taken tangents THEOREM Trigonometry true unlike whence
Δημοφιλή αποσπάσματα
Σελίδα xxi - The circumference of every circle is supposed to be divided into 360 equal parts, called degrees ; each degree into 60 equal parts, called minutes ; and each minute into 60 equal parts, called seconds.
Σελίδα xxiv - ... for the second term, and the greater for the first ; and in either case multiply the second and third terms together, and divide the product by the first for the answer, which will always be of the same denomination as the third term.
Σελίδα 295 - C' (89) (90) (91) (92) (93) 112. In any plane triangle, the sum of any two sides is to their difference as the tangent of half the sum of the opposite angles is to the tangent of half their difference.
Σελίδα 329 - The sum of any two sides of a spherical triangle is greater than the third side, and their difference is less than the third side.
Σελίδα xxxi - 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...
Σελίδα 3 - 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.
Σελίδα xxii - SECANT of an arc, is a straight line drawn from the centre, through one end of the arc, and extended to the tangent which is drawn from the other end.
Σελίδα 159 - The AMPLITUDE of any object in the heavens is an arc of the horizon, contained between the centre of the object when rising, or setting, and the east or west points of the horizon. Or, it is...
Σελίδα 53 - Having given two sides and an angle opposite to one of them, or two angles and a side opposite to one of them.