Elementary Trigonometry |
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Page 3
... Similarly , 15 7 53 · 4 " = · 1507534 of a right angle . Conversely , any decimal of a right angle can be at once ex- pressed in grades , minutes , and seconds . Thus 2173025 of a right angle = 21 · 73025o = 21 73.025 ' = 218 73 ' 2 · 5 ...
... Similarly , 15 7 53 · 4 " = · 1507534 of a right angle . Conversely , any decimal of a right angle can be at once ex- pressed in grades , minutes , and seconds . Thus 2173025 of a right angle = 21 · 73025o = 21 73.025 ' = 218 73 ' 2 · 5 ...
Page 5
... the 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.
... the 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.
Page 27
... Similarly , it may be proved that tan ( 90 ° -4 ) = cot A , and cot ( 90 ° – A ) = tan A ; S sec ( 90 ° - A ) = cosec A , cosec ( 90 ° - A ) = sec A. 39. If we define the co - sine , co IV . ] 27 COMPLEMENTARY ANGLES . Trigonometrical ...
... Similarly , it may be proved that tan ( 90 ° -4 ) = cot A , and cot ( 90 ° – A ) = tan A ; S sec ( 90 ° - A ) = cosec A , cosec ( 90 ° - A ) = sec A. 39. If we define the co - sine , co IV . ] 27 COMPLEMENTARY ANGLES . Trigonometrical ...
Page 34
... Similarly , if the values of suitable parts of a triangle be given , we can by Trigonometry find the remaining parts . The process by which this is effected is called the Solution of the triangle . The general solution of triangles will ...
... Similarly , if the values of suitable parts of a triangle be given , we can by Trigonometry find the remaining parts . The process by which this is effected is called the Solution of the triangle . The general solution of triangles will ...
Page 68
... Similarly , in radian measure all the angles coterminal with may be represented by 2nя + 0 . From the definitions of Art . 75 , we see that the position of the boundary line is alone sufficient to determine the trigono- metrical ratios ...
... Similarly , in radian measure all the angles coterminal with may be represented by 2nя + 0 . From the definitions of Art . 75 , we see that the position of the boundary line is alone sufficient to determine the trigono- metrical ratios ...
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Common terms and phrases
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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