Elementary Text-book of TrigonometryBlackie & Son, 1884 - 176 páginas |
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... yard is the unit of length , by the number 5280 when a foot is the unit of length , and so on . In like manner , the number expressing the magnitude of an angle will depend on the unit of angle . Two units of angle are in general use ...
... yard is the unit of length , by the number 5280 when a foot is the unit of length , and so on . In like manner , the number expressing the magnitude of an angle will depend on the unit of angle . Two units of angle are in general use ...
Página 5
... yard is the unit of length , by the number 5280 when a foot is the unit of length , and so on . In like manner , the number expressing the magnitude of au angle will depend on the unit of angle . Two units of angle are in general use ...
... yard is the unit of length , by the number 5280 when a foot is the unit of length , and so on . In like manner , the number expressing the magnitude of au angle will depend on the unit of angle . Two units of angle are in general use ...
Página 8
... yards ; therefore circumference = 2 × π × 6 × 220 yards What is the = 2 × 3.14159 × 6 × 220 yards , putting = 3.14159 , = 8293-7976 yards . = Ex . 2. If the quarter of the circumference of a circle is 3 feet 4 inches , what is the ...
... yards ; therefore circumference = 2 × π × 6 × 220 yards What is the = 2 × 3.14159 × 6 × 220 yards , putting = 3.14159 , = 8293-7976 yards . = Ex . 2. If the quarter of the circumference of a circle is 3 feet 4 inches , what is the ...
Página 14
... yards by an arc whose length is 10 feet 6 inches . 6. Find the length in yards of the arc which subtends an angle of 45 ° in a circle whose radius is 1 miles . 7. The angle 68 ° 45 ′ 18 ′′ is subtended at the centre of a circle by an ...
... yards by an arc whose length is 10 feet 6 inches . 6. Find the length in yards of the arc which subtends an angle of 45 ° in a circle whose radius is 1 miles . 7. The angle 68 ° 45 ′ 18 ′′ is subtended at the centre of a circle by an ...
Página 17
... yards ; find , in degree measure , the angle ATB between AT and BT , the tangents to the curve at A and B. 5. A ship sails 380 miles due south ; find the change in the latitude , taking the earth as a sphere of 4000 miles radius . 6 ...
... yards ; find , in degree measure , the angle ATB between AT and BT , the tangents to the curve at A and B. 5. A ship sails 380 miles due south ; find the change in the latitude , taking the earth as a sphere of 4000 miles radius . 6 ...
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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.