Elementary TrigonometryMacmillan and Company, 1893 - 404 páginas |
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Página vi
... formulæ can be quoted readily , but whether it is advisable for learners to have lists of formulæ compiled for them , so as to be easily accessible at all times , is a matter upon which teachers hold different views . our own opinion it ...
... formulæ can be quoted readily , but whether it is advisable for learners to have lists of formulæ compiled for them , so as to be easily accessible at all times , is a matter upon which teachers hold different views . our own opinion it ...
Página ix
... formulæ Easy Identities . • • Each ratio can be expressed in terms of any of the others Chapter IV . TRIGONOMETRICAL RATIOS OF CERTAIN ANGLES . Trigonometrical Ratios of 45 ° , 60 ° , 30 ° 12 లు 5 6 7 9 10 12 13 14 16 21 Definition of ...
... formulæ Easy Identities . • • Each ratio can be expressed in terms of any of the others Chapter IV . TRIGONOMETRICAL RATIOS OF CERTAIN ANGLES . Trigonometrical Ratios of 45 ° , 60 ° , 30 ° 12 లు 5 6 7 9 10 12 13 14 16 21 Definition of ...
Página x
... formulæ of Chap . III . are true for all values of the angle . • 70 The ambiguity of sign in cos A = √1 - sin ' A can be removed when A is known . 71 VARIATIONS OF THE FUNCTIONS . Chapter IX . Definition of X CONTENTS .
... formulæ of Chap . III . are true for all values of the angle . • 70 The ambiguity of sign in cos A = √1 - sin ' A can be removed when A is known . 71 VARIATIONS OF THE FUNCTIONS . Chapter IX . Definition of X CONTENTS .
Página xi
... Formulæ Functions of 24 . Functions of 3A . Value of sin 18 ° Chapter XII . TRANSFORMATION OF PRODUCTS AND SUMS . 94 96 98 99 100 102 105 106 Transformation of products into sums or differences Transformation of sums or differences into ...
... Formulæ Functions of 24 . Functions of 3A . Value of sin 18 ° Chapter XII . TRANSFORMATION OF PRODUCTS AND SUMS . 94 96 98 99 100 102 105 106 Transformation of products into sums or differences Transformation of sums or differences into ...
Página xii
... formulæ are not independent . CASE I. When the three sides are given CASE II . When two sides and the included angle are given CASE III . When two angles and a side are given 125 126 126 127 128 • • CASE IV . When two sides and an angle ...
... formulæ are not independent . CASE I. When the three sides are given CASE II . When two sides and the included angle are given CASE III . When two angles and a side are given 125 126 126 127 128 • • CASE IV . When two sides and an angle ...
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Términos y frases comunes
1+cos 1+tan² a+cos A+tan acute angle angle of elevation B+cos centre circle College cos² cos³ cosec cosine cot² cyclic quadrilateral decimal denote diff equal equation ex-central triangle Example expression Fcap feet Find the angle find the distance find the height Find the number Find the value flagstaff following identities formula given log greatest angle Hence horizontal plane hypotenuse inscribed LAOB loga logarithm magnitude miles negative number of radians observer pedal triangle perpendicular polygon positive Prof Prove the following quadrant quadrilateral radian measure radius vector regular polygon right angle right-angled triangle sec² sexagesimal shew sides sin sin sin sin² sin³ sine solution solve the triangle subtends an angle supplementary angles tan² tangent tower triangle ABC trigono trigonometrical functions trigonometrical ratios π π
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