Elementary Text-book of TrigonometryBlackie & Son, 1884 - 176 páginas |
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Página 14
... directions . The angle between any two adjacent directions is called a point . Evidently , the point 4 right angles ... direction . It will be useful for the student to know the names of the principal points of the compass 14 TRIGONOMETRY .
... directions . The angle between any two adjacent directions is called a point . Evidently , the point 4 right angles ... direction . It will be useful for the student to know the names of the principal points of the compass 14 TRIGONOMETRY .
Página 15
... direction in which an object B is seen from a point A is called the bearing of B at A. Thus , if the line AB lies be ... directions N.N.E. and E. is an angle of 6 points , and the angle between the directions E. and s.E. is an angle of 4 ...
... direction in which an object B is seen from a point A is called the bearing of B at A. Thus , if the line AB lies be ... directions N.N.E. and E. is an angle of 6 points , and the angle between the directions E. and s.E. is an angle of 4 ...
Página 16
... direction in ( 1 ) points , ( 2 ) degree measure , ( 3 ) radian measure in terms of π , ( 4 ) French measure . 3. Show that the number of degrees in the angle of a regular polygon of m sides is m - 2 of grades is × 200 . m - 2 m- m ...
... direction in ( 1 ) points , ( 2 ) degree measure , ( 3 ) radian measure in terms of π , ( 4 ) French measure . 3. Show that the number of degrees in the angle of a regular polygon of m sides is m - 2 of grades is × 200 . m - 2 m- m ...
Página 56
... direction of the arrow - head round a fixed end O from an initial position OA . Since OP is of constant length , the point P will trace out a circle ABA'B ' . The two perpendicular diameters AA ' and BB ' of this circle will inclose the ...
... direction of the arrow - head round a fixed end O from an initial position OA . Since OP is of constant length , the point P will trace out a circle ABA'B ' . The two perpendicular diameters AA ' and BB ' of this circle will inclose the ...
Página 57
... direction of the arrow - head , is an angle greater than 2 right angles , but less than 3 right angles , and is said to be an angle in the third quadrant . When OP coincides with OB ' the angle described AOB ' is an angle of 3 right ...
... direction of the arrow - head , is an angle greater than 2 right angles , but less than 3 right angles , and is said to be an angle in the third quadrant . When OP coincides with OB ' the angle described AOB ' is an angle of 3 right ...
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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.