Plane Trigonometry, for Colleges and Secondary SchoolsLongmans, Green, and Company, 1901 - 206 páginas |
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... triangle 21. The graphical method 22. The method of computation computation . 23. Comparison between the graphical ... isosceles triangles 33. Related regular polygons and circles 34. Solution of oblique triangles 34a . Area of a triangle ...
... triangle 21. The graphical method 22. The method of computation computation . 23. Comparison between the graphical ... isosceles triangles 33. Related regular polygons and circles 34. Solution of oblique triangles 34a . Area of a triangle ...
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... equilateral triangle whose side is 20 yd . 8. The side of an isosceles triangle is 40 ft . and the base is 30 ft .; find the height . 9. What is the length of the diagonal of a square whose side is 20 ft . ? 10. What is the length of ...
... equilateral triangle whose side is 20 yd . 8. The side of an isosceles triangle is 40 ft . and the base is 30 ft .; find the height . 9. What is the length of the diagonal of a square whose side is 20 ft . ? 10. What is the length of ...
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... isosceles right - angled tri- angle , and let each of the sides about the right angle be equal to a . The angle A ... triangle AMP are proportional to 1 , 15. ] 29 TRIGONOMETRIC RATIOS OF 45 ° .
... isosceles right - angled tri- angle , and let each of the sides about the right angle be equal to a . The angle A ... triangle AMP are proportional to 1 , 15. ] 29 TRIGONOMETRIC RATIOS OF 45 ° .
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... triangle having sides 40 ft . , 45 ft . , with an included angle 28 ° 57 ' 18 " . 7. Write two other formulas for area ABC , similar to that derived above . Also , derive them . 32. Solution of isosceles triangles . In an isosceles triangle ...
... triangle having sides 40 ft . , 45 ft . , with an included angle 28 ° 57 ' 18 " . 7. Write two other formulas for area ABC , similar to that derived above . Also , derive them . 32. Solution of isosceles triangles . In an isosceles triangle ...
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... isosceles triangle is obtained by taking the product of half the base and one of the sides . The area of a circle is found by deducting from the diameter one - ninth of its length , and squaring the remainder - - a proceeding which is ...
... isosceles triangle is obtained by taking the product of half the base and one of the sides . The area of a circle is found by deducting from the diameter one - ninth of its length , and squaring the remainder - - a proceeding which is ...
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acute angles algebraic calculated called CHAPTER circle computation Construct cos² cosec cotangent deduced definitions denoted draw equal equation EXAMPLES expressed figure Find the distance Find the height formulas fourth quadrants geometry given angle graphical method Gresham College Hence hypotenuse inch incommensurable initial line inscribed isosceles triangle law of sines Leonhard Euler loga logarithms M₁ mantissa mathematics negative NOTE number of degrees OP₁ opposite perpendicular places of decimals plane positive angles problems protractor quantity radian measure radius ratios of 30 regular polygon relations represents revolving right angles right-angled triangle scale sec² secant shown in Art sin² sines and cosines Solve student is advised subtended tables tan² tangent terminal line tion tower triangle ABC trigono trigonometric functions trigonometric ratios turning line whole number X₁ ОР