Beale, Oscar James, Brown & Sharpe Manufacturing Company (Providence, R.I.) · Providence, R.I. : Brown & Sharpe Mfg. Co. · leaf 99
ivided by the hypothe-?iuse, is equal to the sine of the angle. The quotient thus obtained is the length of sideopposite the angle when the hypothenuse or radius isunity. The rule should be carefully committed tomemory. F/ A ~~~^ c \ \ 0 / \ E I I^ig* 23 Sine. 80 BROWN & SHARPE MFG. CO. Chord… … Kig. 34- Let there be four holes equidistant about a circle3 in diameter—Fig. 34 ; what is the shortest distancebetween two holes ? This shortest distance is the findlh^chGrd! c^oi^^ ^ S^ which is twice the sine of the angle COB.The angle A O B is one-quarter of the circle, andC O B is one-eighth…
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