Plane and Spherical TrigonometryGinn, 1915 - 230 páginas |
Dentro del libro
Resultados 1-5 de 20
Página 26
... root is admissible ? Why is the other root impossible ? CHAPTER H USE OF THE TABLE OF NATURAL FUNCTIONS 24. 26 PLANE TRIGONOMETRY.
... root is admissible ? Why is the other root impossible ? CHAPTER H USE OF THE TABLE OF NATURAL FUNCTIONS 24. 26 PLANE TRIGONOMETRY.
Página 36
... root . It is , however , easier to proceed by factoring c2 - a2 as shown . This will be even more apparent when we come , in Chapter III , to the short methods of computing by logarithms . - a = 47 , c = = 63 c + a = 110 0.7460 63 ...
... root . It is , however , easier to proceed by factoring c2 - a2 as shown . This will be even more apparent when we come , in Chapter III , to the short methods of computing by logarithms . - a = 47 , c = = 63 c + a = 110 0.7460 63 ...
Página 39
... root is reduced to a single division . For the ordinary purposes of trigonometry the tables of functions used in Chapter II are fairly satisfactory , the time required for most of the operations not being unreasonable . But when a ...
... root is reduced to a single division . For the ordinary purposes of trigonometry the tables of functions used in Chapter II are fairly satisfactory , the time required for most of the operations not being unreasonable . But when a ...
Página 43
... Root . The logarithm of a root of a number is equal to the logarithm of the number divided by the index of the root ... roots will be greatly simplified if we can find the logarithms of num- bers , and this will next be considered . 44 ...
... Root . The logarithm of a root of a number is equal to the logarithm of the number divided by the index of the root ... roots will be greatly simplified if we can find the logarithms of num- bers , and this will next be considered . 44 ...
Página 57
... root . This law may , however , be com- bined with that of § 58 , since a means √a , and a means Va2 . The law of § 58 therefore applies to roots or to powers of roots , the exponent simply being considered fractional . 1. Find by ...
... root . This law may , however , be com- bined with that of § 58 , since a means √a , and a means Va2 . The law of § 58 therefore applies to roots or to powers of roots , the exponent simply being considered fractional . 1. Find by ...
Otras ediciones - Ver todas
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).