Plane Trigonometry for Colleges and Secondary Schools |
Contents
CHAPTER II | 9 |
Linear measure Drawing to scale Direct measurement by means | 15 |
Definite and invariable connection between acute angles and trig | 24 |
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Common terms and phrases
acute angles angle of elevation base calculated CHAPTER circle circumscribing circle computation cos² cosec cotangent deduced definitions denoted Derive equal equation EXAMPLES expressed figure Find the distance Find the height formulas fourth quadrants geometry Hence hypotenuse inch included angle initial line inscribed isosceles triangle law of sines length Leonhard Euler loga logarithms M₁ M₁P₁ mathematics method negative NOTE OM₁ OP₁ opposite perpendicular places of decimals plane positive angles protractor quantity radian measure radius ratios of 30 regular polygon relations represent revolving right angles right-angled triangle scale sec² secant Show sin² sine and cosine solution of triangles Solve ABC subtended tables tan² tangent terminal line tion tower triangle ABC trigono trigonometric functions trigonometric ratios turning line whole number X₁