Elementary TrigonometryMacmillan and Company, 1893 - 404 páginas |
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Página x
... acute angle are given Case of triangle considered as sum or difference of two right- angled triangles • Chapter VI . EASY PROBLEMS . Angles of Elevation and Depression The Mariner's Compass Chapter VII . RADIAN OR CIRCULAR MEASURE ...
... acute angle are given Case of triangle considered as sum or difference of two right- angled triangles • Chapter VI . EASY PROBLEMS . Angles of Elevation and Depression The Mariner's Compass Chapter VII . RADIAN OR CIRCULAR MEASURE ...
Página xi
... acute angle 90 The number of angles which have the same trigonometrical ratio is unlimited 91 Chapter XI . FUNCTIONS OF COMPOUND ANGLES . Expansions of the sine and cosine of A + B and A - B sin ( A + B ) sin ( A – B ) = sin2 A – sin2 B ...
... acute angle 90 The number of angles which have the same trigonometrical ratio is unlimited 91 Chapter XI . FUNCTIONS OF COMPOUND ANGLES . Expansions of the sine and cosine of A + B and A - B sin ( A + B ) sin ( A – B ) = sin2 A – sin2 B ...
Página 5
... same degree of approximation √2 : 3 = 1 · 41421 : 3 = 141421 : 300000 . Similarly , for the ratio of any two incommensurable quantities . Trigonometrical Ratios . 11. Let PAQ be any acute angle Chapter II TRIGONOMETRICAL RATIOS.
... same degree of approximation √2 : 3 = 1 · 41421 : 3 = 141421 : 300000 . Similarly , for the ratio of any two incommensurable quantities . Trigonometrical Ratios . 11. Let PAQ be any acute angle Chapter II TRIGONOMETRICAL RATIOS.
Página 6
... acute angle ; in AP one of the bound- ary lines take a point B and draw BC perpendicular to AQ . Thus a right - angled triangle BAC is formed . With reference to the angle 4 the following definitions are em- ployed . BC opposite side ...
... acute angle ; in AP one of the bound- ary lines take a point B and draw BC perpendicular to AQ . Thus a right - angled triangle BAC is formed . With reference to the angle 4 the following definitions are em- ployed . BC opposite side ...
Página 7
... acute angles . 14. Although the verbal form of the definitions of the trigonometrical ratios given in Art . 11 may be helpful to the student at first , he will gain no freedom in their use until he is able to write down from the figure ...
... acute angles . 14. Although the verbal form of the definitions of the trigonometrical ratios given in Art . 11 may be helpful to the student at first , he will gain no freedom in their use until he is able to write down from the figure ...
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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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