Elementary Text-book of TrigonometryBlackie & Son, 1884 - 176 páginas |
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Página 9
... decimal places . Roughly speaking , the radian is an angle a little less than the angle of an equilateral triangle which is an angle of 60 ° . The radian is also called the unit of circular measure . 6. Radian or Circular Measure of an ...
... decimal places . Roughly speaking , the radian is an angle a little less than the angle of an equilateral triangle which is an angle of 60 ° . The radian is also called the unit of circular measure . 6. Radian or Circular Measure of an ...
Página 10
... decimal places . 4738 degrees . 60 Hence the angle contains 70 degrees and 4738 of one degree . We can convert this decimal of a degree into minutes and seconds by multiplying by 60 for minutes , and again by 60 for seconds . The result ...
... decimal places . 4738 degrees . 60 Hence the angle contains 70 degrees and 4738 of one degree . We can convert this decimal of a degree into minutes and seconds by multiplying by 60 for minutes , and again by 60 for seconds . The result ...
Página 11
... decimal places , the radian measures of the following angles : ( 1 ) 71 ° 37 ′ 12 ′′ . ( 2 ) 126 ° 32 ′ 42 ′′ . ( 4 ) 206265 " . ( 3 ) 94 ° 33 ′ 36 ′′ . 2. The following angles are given in radian measure ; find them in degree measure ...
... decimal places , the radian measures of the following angles : ( 1 ) 71 ° 37 ′ 12 ′′ . ( 2 ) 126 ° 32 ′ 42 ′′ . ( 4 ) 206265 " . ( 3 ) 94 ° 33 ′ 36 ′′ . 2. The following angles are given in radian measure ; find them in degree measure ...
Página 13
... decimal places , the radian measures of the following angles : ( 1 ) 71 ° 37 ′ 12 ′′ . ( 2 ) 126 ° 32 ′ 42 ′′ . ( 4 ) 206265 " . ( 3 ) 94 ° 33 ′ 36 ′′ . 2. The following angles are given in radian measure ; find them in degree measure ...
... decimal places , the radian measures of the following angles : ( 1 ) 71 ° 37 ′ 12 ′′ . ( 2 ) 126 ° 32 ′ 42 ′′ . ( 4 ) 206265 " . ( 3 ) 94 ° 33 ′ 36 ′′ . 2. The following angles are given in radian measure ; find them in degree measure ...
Página 15
... decimal of a grade , and seconds as the decimal of a minute . Thus an angle which contains 77 grades , 23 minutes , 47 sec- onds , can be written in any one of the three forms 779 23 ' 47 " , 77 ° 23'47 , 779-2347 . This system was ...
... decimal of a grade , and seconds as the decimal of a minute . Thus an angle which contains 77 grades , 23 minutes , 47 sec- onds , can be written in any one of the three forms 779 23 ' 47 " , 77 ° 23'47 , 779-2347 . This system was ...
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Términos y frases comunes
angle AOB angle BAC angle increases angle less Article base centre circumference cloth boards common logarithm complement cos(A+B cos2A cos4A cosB cosC cose cosecA cosine cotA cotangent decimal places degree measure diameter distance equal equation Euclid EXAMPLES feet Find the angle Find the height find the number find the values flagstaff following angles formula given Hence hypotenuse inches log2 loga logarithms of numbers magnitude mantissa miles negative numbers number expressing number of degrees numerical value perpendicular positive Prove quadrant radian measure radii ratios of angles regular polygon respectively right angle right-angled triangle sec²A secA secant side BC Similarly sin(A sin(A+B sin2A sin2B sin3A sinB sine sine and cosine square root table of logarithms tan(A+B tan²A tanA tanB tangent tanß tower triangle ABC trigono trigonometrical ratios unit of angle yards
Pasajes populares
Página 90 - The logarithm of the product of two or more numbers is equal to the sum of the logarithms of the numbers. For, let m and n be two numbers, and x and y their logarithms. Then, by the definition of a logarithm, m — ax, and n = a".
Página 90 - ... the logarithm of a fraction is equal to the logarithm of the numerator minus the logarithm of the denominator.
Página 118 - In any triangle, the sides are proportional to the sines of the opposite angles. That is, sin A = sin B...
Página 149 - Find the length of the side of a square whose area is equal to that of a rectangle the sides of which are 94 '28 and 6720 yards.
Página 89 - The logarithm of a number is the index of the power to which the base of the system must be raised to equal a given number.
Página 158 - The sides of a triangle are in arithmetical progression, and its area is to that of an equilateral triangle of the same perimeter as 3 : 5.