Trigonometry for Beginners with Numerous ExamplesMacmillan, 1868 - 200 σελίδες |
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Σελίδα 5
... difference is 9 degrees : find each angle . 20. The difference of the two acute angles of a right- angled triangle is 20 grades : find the angles in degrees . 21. Find the number of English minutes in a grade . 22. Find the number of ...
... difference is 9 degrees : find each angle . 20. The difference of the two acute angles of a right- angled triangle is 20 grades : find the angles in degrees . 21. Find the number of English minutes in a grade . 22. Find the number of ...
Σελίδα 16
... difference of two other angles having known Trigonome- trical Ratios . And we shall give a formula in the next Article which will enable us to determine the Trigonome- trical Ratios for the half of an angle when the Trigonome- trical ...
... difference of two other angles having known Trigonome- trical Ratios . And we shall give a formula in the next Article which will enable us to determine the Trigonome- trical Ratios for the half of an angle when the Trigonome- trical ...
Σελίδα 24
... difference of the angles PBC and PAC , by Euclid 1. 32 . Now , by Art . 37 , sin PAB sin APB BP = AB AB sin PAB therefore BP : sin APB thus BP is known . PC Then - sin PBC ; BP therefore PC - BP sin PBC thus PC is known 24 APPLICATIONS ...
... difference of the angles PBC and PAC , by Euclid 1. 32 . Now , by Art . 37 , sin PAB sin APB BP = AB AB sin PAB therefore BP : sin APB thus BP is known . PC Then - sin PBC ; BP therefore PC - BP sin PBC thus PC is known 24 APPLICATIONS ...
Σελίδα 38
... difference of the two numbers is 100 , and the difference of the two logarithms is 0000077. Let x denote the quantity to be added to the logarithm of 5632100 , in order to produce the logarithm of 5632147 ; then we assume that 100 47 ...
... difference of the two numbers is 100 , and the difference of the two logarithms is 0000077. Let x denote the quantity to be added to the logarithm of 5632100 , in order to produce the logarithm of 5632147 ; then we assume that 100 47 ...
Σελίδα 40
... difference of the given Tabular logarithms is ' 0003426 , which corresponds to the difference 60 " in the angles ; so we form the proportion 60 20 : 0003426 : x . Hence therefore 20 X = x'0003426 = 0001142 ; 60 40 USE OF TABLES .
... difference of the given Tabular logarithms is ' 0003426 , which corresponds to the difference 60 " in the angles ; so we form the proportion 60 20 : 0003426 : x . Hence therefore 20 X = x'0003426 = 0001142 ; 60 40 USE OF TABLES .
Άλλες εκδόσεις - Προβολή όλων
Trigonometry for Beginners, with Numerous Examples Isaac Todhunter Δεν υπάρχει διαθέσιμη προεπισκόπηση - 2010 |
Συχνά εμφανιζόμενοι όροι και φράσεις
A-sin A+B+C Algebra angle increases angle PAB angles in terms angles included AP coincides AP moves Arithmetical Arithmetical Progression B-cos Cambridge centre circle circular measure circumference cloth cos² cos³ cosec cosine cotangent Crown 8vo decreases numerically determine distance draw PM perpendicular ELEMENTARY Euclid example expression Fcap feet figure find log find the height formulæ four right angles given angle Given log Hence hypotenuse increases from 180 inverse notation L sin logarithm Mathematical multiple of four negative and decreases number of degrees observe the angle opposite side plane positive angle preceding Article present Chapter quadrant PM regular polygon right-angled triangle sec² secant Second Edition shew sin A sin sin A+ sin sin sin sin² sin³ sine student suppose Tables tangent TREATISE Trigono Trigonometrical Ratios vers yards zero ОР
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