Watson's Tutor's assistant; or, Complete school arithmetic1845 - 12 σελίδες |
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Σελίδα 134
... sine of their included angle , gives double the area , .. double the area divided by the product of any two sides , gives the natural sine of their included angle . 5. All the angles of every triangle contain 180 ° , which is equal to ...
... sine of their included angle , gives double the area , .. double the area divided by the product of any two sides , gives the natural sine of their included angle . 5. All the angles of every triangle contain 180 ° , which is equal to ...
Σελίδα 138
... sine of angle ABC ÷ AC : of angle C. Sine C A B A C cos . A. Angle 11. The hypotenuse of a right angled triangle is 520 138 MENSURATION OF SURFACES .
... sine of angle ABC ÷ AC : of angle C. Sine C A B A C cos . A. Angle 11. The hypotenuse of a right angled triangle is 520 138 MENSURATION OF SURFACES .
Σελίδα 139
... sine of which is 1. And as the sine of any angle is to its opposite side , so is the sine of any other angle to its opposite side , and vice versa . The tangent of the angle ABC ÷ A B = cot . C. Tan . CAB ÷ BC cot . A. Also secant of A ...
... sine of which is 1. And as the sine of any angle is to its opposite side , so is the sine of any other angle to its opposite side , and vice versa . The tangent of the angle ABC ÷ A B = cot . C. Tan . CAB ÷ BC cot . A. Also secant of A ...
Σελίδα 144
... sine C E , 4. * Here AC - EC2AE . C E B Or , 62-42- A 20-4.472136 . D 6 × 8 4.472136 X 2 48 - 3 13.018576 Ans . F 8.944272 3 2. Required the length of an arc , the chord of which is 16 , and the chord of half the arc 12 . Ans . 26 . 3 ...
... sine C E , 4. * Here AC - EC2AE . C E B Or , 62-42- A 20-4.472136 . D 6 × 8 4.472136 X 2 48 - 3 13.018576 Ans . F 8.944272 3 2. Required the length of an arc , the chord of which is 16 , and the chord of half the arc 12 . Ans . 26 . 3 ...
Σελίδα 145
... sine C E is 9 , and co - versed sine E F 16 : required the length of the arc A C B. Ans . 32 . 7. What is the length of an arc , the versed sine being 4 and chord of half the arc 8 ? Ans . 16.7145 . 8. What is the length of the arc ...
... sine C E is 9 , and co - versed sine E F 16 : required the length of the arc A C B. Ans . 32 . 7. What is the length of an arc , the versed sine being 4 and chord of half the arc 8 ? Ans . 16.7145 . 8. What is the length of the arc ...
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18 inches 20 feet 2qrs 3qrs acres base Bought breadth brokerage bushel chains chord of half circumference common denominator cube root cubic feet cyphers decimal discount ditto Divide dividend division divisor DRY MEASURE equal EXAMPLES farthings feet 6 inches figure Find the area Find the content Find the interest frustum gain per cent gallons given number greater guineas half the arc half-year's height hour hypotenuse improper fraction inches broad inscribed circle length lowest terms MEASURE miles mixed number Moidore Mult Multiply pence penny perpendicular pints pounds PROBLEM quantity quotient radius ratio Reduce remainder Required the area rhombus right angled triangle rood RULE.-Multiply segment selling shillings slant height sliding rule sold solid content square root square yards subtract TROY WEIGHT vulgar fraction whole numbers yards cost yards of cloth
Δημοφιλή αποσπάσματα
Σελίδα 97 - To reduce a mixed number to an improper fraction. RULE. Multiply the whole number by the denominator of the fraction, and to the product add the numerator for a new numerator, and place it over the denominator. 1. Reduce 127 T \ to an improper fraction.
Σελίδα 97 - RULE. Multiply all the numerators together for a new numerator, and all the denominators for a new denominator: then reduce the new fraction to its lowest terms.
Σελίδα 53 - Then multiply the second and third terms together, and divide the product by the first term: the quotient will be the fourth term, or answer.
Σελίδα 7 - Three lines are in harmonical proportion, when the first is to the third, as the difference between the first and second, is to the difference between the second and third ; and the second is called a harmonic mean between the first and third. The expression 'harmonical proportion...
Σελίδα 60 - ... but if the blank fall under the first or second term, the proportion is inverse ; then multiply the third and fourth terms together for a divisor, and the other three for a dividend, and the quotient will be the answer. EXAMPLES.
Σελίδα 14 - FOR ADDITION. I. Write the numbers to be added, under each other ; so that units may stand under units, tens under tens, &c.
Σελίδα 121 - RULE. 1. Separate the given number into periods of three figures each, beginning at the units place.
Σελίδα 22 - Multiply the integer of the quotient by the divisor, and to the product add the remainder, if any ; and the result will equal the dividend, if the work is right.
Σελίδα 155 - From three times the diameter of the sphere, take double the height of the segment ; then multiply the remainder by the square of the height, and...
Σελίδα 96 - To reduce an improper fraction to a whole or mixed number, — RULE : Divide the numerator by the denominator ; the quotient will be the whole or mixed number.