Hale, Joseph W. L. (Joseph Woodwell Ledwidge), 1886- · New York [etc.] McGraw-Hill book company · leaf 174
thefraction representing the cotangent decreases. As angle adecreases side OB increases arid side AB decreases, and thevalue of the fraction increases, that is, the cotangent MEASUREMENT OF RIGHT TRIANGLES 159 increases. The following table for values of 0° and 90°angles should be carefully studied…
Mechanics, Applied
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