Trigonometry for Beginners with Numerous ExamplesMacmillan, 1868 - 200 sider |
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... convenient for beginners ; an acquaintance with the books of Euclid which are usually read , and with the rudi- ments of Algebra , being all that is assumed . The first fourteen chapters present the geometrical part of Plane Trigonometry ;
... convenient for beginners ; an acquaintance with the books of Euclid which are usually read , and with the rudi- ments of Algebra , being all that is assumed . The first fourteen chapters present the geometrical part of Plane Trigonometry ;
Side 1
... Euclid which are usually read are also necessary . 2. We have first to explain how angles are measured . Some angle is selected as the unit , and the measure of any other angle is the number of units which it contains . Any angle might ...
... Euclid which are usually read are also necessary . 2. We have first to explain how angles are measured . Some angle is selected as the unit , and the measure of any other angle is the number of units which it contains . Any angle might ...
Side 5
... Euclid IV . 10 . 19. The sum of two angles is 30 grades , and their difference is 9 degrees : find each angle . 20. The difference of the two acute angles of a right- angled triangle is 20 grades : find the angles in degrees . 21. Find ...
... Euclid IV . 10 . 19. The sum of two angles is 30 grades , and their difference is 9 degrees : find each angle . 20. The difference of the two acute angles of a right- angled triangle is 20 grades : find the angles in degrees . 21. Find ...
Side 8
... and draw PM perpendicular to AB ; also take any other point P , and draw P'M ' perpendicular to AB . Then , by similar triangles , Euclid VI . 4 , PM P'M ' = AP AP ' that is , the sine of the angle A is 8 TRIGONOMETRICAL RATIOS .
... and draw PM perpendicular to AB ; also take any other point P , and draw P'M ' perpendicular to AB . Then , by similar triangles , Euclid VI . 4 , PM P'M ' = AP AP ' that is , the sine of the angle A is 8 TRIGONOMETRICAL RATIOS .
Side 10
... Euclid 1.47 , that the square described on the hypotenuse of a right - angled triangle is equal to the sum of the squares described on the sides ; and it is known that the geometrical square described on any straight line is measured by ...
... Euclid 1.47 , that the square described on the hypotenuse of a right - angled triangle is equal to the sum of the squares described on the sides ; and it is known that the geometrical square described on any straight line is measured by ...
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Trigonometry for Beginners, with Numerous Examples Isaac Todhunter Ingen forhåndsvisning tilgjengelig - 2010 |
Vanlige uttrykk og setninger
A-sin A+B+C Algebra angle increases angle PAB angles in terms angles included AP coincides AP moves Arithmetical Arithmetical Progression B-cos Cambridge centre circle circular measure circumference cloth cos² cos³ cosec cosine cotangent Crown 8vo decreases numerically determine distance draw PM perpendicular ELEMENTARY Euclid example expression Fcap feet figure find log find the height formulæ four right angles given angle Given log Hence hypotenuse increases from 180 inverse notation L sin logarithm Mathematical multiple of four negative and decreases number of degrees observe the angle opposite side plane positive angle preceding Article present Chapter quadrant PM regular polygon right-angled triangle sec² secant Second Edition shew sin A sin sin A+ sin sin sin sin² sin³ sine student suppose Tables tangent TREATISE Trigono Trigonometrical Ratios vers yards zero ОР
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