Elementary Trigonometry |
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Page 8
... decimals is 3 · 14159 . 20. Suppose we call the radius of a circle r : then the dia- meter = Now 2r . circumference diameter circumference 2r = T .. circumference = 2πr . Hence and arc of semicircle = πr , arc of 8 ELEMENTARY TRIGONOMETRY .
... decimals is 3 · 14159 . 20. Suppose we call the radius of a circle r : then the dia- meter = Now 2r . circumference diameter circumference 2r = T .. circumference = 2πr . Hence and arc of semicircle = πr , arc of 8 ELEMENTARY TRIGONOMETRY .
Page 14
... decimal parts of a degree by the following process . Let the given angle be 39o . 5 ' . 33 ′′ , 5 ' . 33 " = 333 " . Then since 1o = 3600 " , 333 333 " = = 3600 of a degree = ' 0925 of a degree ; ... 39.5'.33 " 39.0925 degrees ...
... decimal parts of a degree by the following process . Let the given angle be 39o . 5 ' . 33 ′′ , 5 ' . 33 " = 333 " . Then since 1o = 3600 " , 333 333 " = = 3600 of a degree = ' 0925 of a degree ; ... 39.5'.33 " 39.0925 degrees ...
Page 15
... decimal of a grade . and Thus 25 % . 9. 54 " . = 25 % . 09 ' . 54 " = 25-0954 grades , 36 % . 8.4 " . = 36 % . 08. 04 “ = 36-0804 grades . EXAMPLES . - V . Express as decimals of a grade the following angles : ( 1 ) 258. 14.25 " , ( 2 ) ...
... decimal of a grade . and Thus 25 % . 9. 54 " . = 25 % . 09 ' . 54 " = 25-0954 grades , 36 % . 8.4 " . = 36 % . 08. 04 “ = 36-0804 grades . EXAMPLES . - V . Express as decimals of a grade the following angles : ( 1 ) 258. 14.25 " , ( 2 ) ...
Page 24
... decimal parts of a degree by the following process . Let the given angle be 39 ° . 5 ′ . 33 " , 5 ' . 33 " = 333 ′′ . Then since 1o = 3600 " , 333 333 " = of a degree 3600 = · 0925 of a degree ; = .. 39 ° .5'.33 " -39-0925 degrees ...
... decimal parts of a degree by the following process . Let the given angle be 39 ° . 5 ′ . 33 " , 5 ' . 33 " = 333 ′′ . Then since 1o = 3600 " , 333 333 " = of a degree 3600 = · 0925 of a degree ; = .. 39 ° .5'.33 " -39-0925 degrees ...
Page i
... decimal of a grade . and Thus 25 % , 9` . 54 " . = 25 % . 09 ' . 54 " = 25-0954 grades , 36 % . 8.4 " , 368. 08. 04 " = = 36 · 0804 grades . EXAMPLES . - V . Express as decimals of a grade the following angles : ( 1 ) 258. 14. 25 ...
... decimal of a grade . and Thus 25 % , 9` . 54 " . = 25 % . 09 ' . 54 " = 25-0954 grades , 36 % . 8.4 " , 368. 08. 04 " = = 36 · 0804 grades . EXAMPLES . - V . Express as decimals of a grade the following angles : ( 1 ) 258. 14. 25 ...
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Common terms and phrases
angle AOP angle be expressed angle EQP angle whose circular Arithmetical Progression Cambridge centre circle circular measure circumference College List convert the measure cos² cos³ cosec cosine Crown 8vo Edition equal expressed in degrees feet find the angle find the number following angles formula given angle contain Given find Given log Greek Isocrates John Edwin Sandys John Henry Blunt Let the given logarithm magnitude minutes and seconds multiply the measure negative number of degrees number of grades Pall Mall QP revolves radius regular polygon right angles right-angled triangle School and College Sexagesimal shew sides sin² sin³ sine subtends an angle tan² tan³ tangent Thomas Kerchever Arnold Thucydides triangle ABC Trigonometrical Ratios Trinity College unit of angular unit of circular Waterloo Place π π
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