Beale, Oscar James, Brown & Sharpe Manufacturing Company (Providence, R.I.) · Providence, R.I. : Brown & Sharpe Mfg. Co. · leaf 101
will then be: Multiple/ the cosine of 360°divided hy tvnce the number of sides, by the diameteracross corners, and the product will be the diameteracross sides. Look at the right-hand column for degrees of thecosine, and at bottom of page for minutes to add tothe degrees. The Secant of an arc is a… … To findSecant. In any right-angle triangle, divide the hypothenuseby the side adjacent either acute angle, and the quo-tient will be the secant of that angle. Providence, r. i. 83 That is, if we divide the distance OB by O C, inthe right-angle triangle COB, the quotient will bethe secant of the…
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