Plane and Spherical TrigonometryGinn, 1915 - 230 páginas |
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Página 32
... subtract 0.0001 from cos 64 ° 17 ' , which gives us hd cos 64 ° 17 ′ 30 ′′ = 0.4338 3. Find tan 37.54 . By the Table of Conversion , 0.54 ° = 32 ′ 24 ′′ . From the tables , tan 37 ° 33 ′ = 0.7687 tan 37 ° 32 ′ = 0.7683 Tabular ...
... subtract 0.0001 from cos 64 ° 17 ' , which gives us hd cos 64 ° 17 ′ 30 ′′ = 0.4338 3. Find tan 37.54 . By the Table of Conversion , 0.54 ° = 32 ′ 24 ′′ . From the tables , tan 37 ° 33 ′ = 0.7687 tan 37 ° 32 ′ = 0.7683 Tabular ...
Página 39
... subtraction ; raising to any power is reduced to one multiplication ; and the extracting of any root is reduced to a single division . For the ordinary purposes of trigonometry the tables of functions used in Chapter II are fairly ...
... subtraction ; raising to any power is reduced to one multiplication ; and the extracting of any root is reduced to a single division . For the ordinary purposes of trigonometry the tables of functions used in Chapter II are fairly ...
Página 42
... subtraction . If we can then find the numbers of which these results are the logarithms , we shall have solved our problems in multiplication and division by merely adding and subtracting . 42. Logarithm of a Power . The logarithm of a ...
... subtraction . If we can then find the numbers of which these results are the logarithms , we shall have solved our problems in multiplication and division by merely adding and subtracting . 42. Logarithm of a Power . The logarithm of a ...
Página 47
... subtract the loga- rithm of 3.84 from the sum of the logarithms of 52.8 and 26.5 . What is the resulting logarithm ? Perform the following operations : 35. log 275+ log 321+ log 4.26 + log 3.87 + log 46.4 . 36. log 2643+ log 3462 + log ...
... subtract the loga- rithm of 3.84 from the sum of the logarithms of 52.8 and 26.5 . What is the resulting logarithm ? Perform the following operations : 35. log 275+ log 321+ log 4.26 + log 3.87 + log 46.4 . 36. log 2643+ log 3462 + log ...
Página 48
... Subtracting , we see that , neglecting the decimal point , the tabular difference is 8 , and the difference between log ≈ and log 0.05516 is 4. Hence x is of the way from 0.05516 to 0.05517 . Hence x = 0.055165 . 3. Find the ...
... Subtracting , we see that , neglecting the decimal point , the tabular difference is 8 , and the difference between log ≈ and log 0.05516 is 4. Hence x is of the way from 0.05516 to 0.05517 . Hence x = 0.055165 . 3. Find the ...
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Plane and Spherical Trigonometry, and Surveying G. A. (George Albert) 1835-1 Wentworth Sin vista previa disponible - 2015 |
Términos y frases comunes
9 log acute angle angle of depression angle of elevation characteristic circle colog cologarithm computation cos(x cos² cos²x cosecant cot log cotangent cotx decimal places degrees Dividing equal equation example Exercise Find log Find the area Find the distance Find the height Find the length Find the value given the following graph Hence horizontal hypotenuse included angle interpolation latitude Law of Cosines Law of Sines Law of Tangents log cos log log cot 9 log sin log logarithm longitude mantissa negative perpendicular polygon positive quadrant radians radius right angle right spherical triangle right triangle roots secant secx sexagesimal ship sails sides sin B sin sin log cos sin(x sin² solution solve the triangle spherical triangle subtends subtract tabular difference tangent triangle ABC whence
Pasajes populares
Página 109 - Sines that the bisector of an angle of a triangle divides the opposite side into parts proportional to the adjacent sides.
Página 98 - I sin y \2 / \2 / = sin x cos y + cos x sin y, sin (a; — y) = sin (x + (— y)) = sin a; cos (— y) + cos a; sin (— y) = sin x cos y — cos x sin y, tan (x + y) = sin (x + y) sin x cos y + cos x...
Página 52 - The logarithm of a quotient is equal to the logarithm of the dividend minus the logarithm of the divisor.
Página 44 - If the number is less than 1, make the characteristic of the logarithm negative, and one unit more than the number of zeros between the decimal point and the first significant figure of the given number.
Página 50 - The logarithm of a product is equal to the sum of the logarithms of its factors.
Página 57 - The logarithm of any power of a number is equal to the logarithm of the number multiplied by the exponent of the power.
Página 116 - In any obtuse triangle, the square of the side opposite the obtuse angle is equal to the sum of the squares of the other...
Página 112 - Two sides of a triangle, and the angle opposite one of them, being given, to describe the triangle. Let A and B be the given sides, and C the given angle.
Página 128 - Prove that the area of a parallelogram is equal to the product of the base, the diagonal, and the sine of the angle included by them.
Página 151 - Equation 3, we see that an angle of 1 rad is the angle subtended at the center of a circle by an arc equal in length to the radius of the circle (see Figure 2).