Elements of plane and spherical trigonometry (1833)
Young, J. R. (John Radford), 1799-1885 · Philadelphia, Carey, Lea & Blanchard · leaf 77
he direc-tion parallel to A5, lay off EF = 41, then F willbe the place of the ship at the end of the tra-verse ; consequently, AF will be the distancemade good, and the angle FAS the direct course; ^applying, therefore, the distance AF to the ^scale of equal parts, we shall fmd it reachfrom 0 to… … PLANE AND SPHERICAL TRIGONOMETRY. 73 4th, N.W. by W., 30 miles ; 5ih, S.S.E., 36 miles; Gth, S.E. by E., 58 miles : required the direct course and distance made good. Direct course S. 25° 59 E., or S.S.E. f E. nearly; distance 95-87 miles. 6. A ship in latitude 37° 10 N. is bound to a port in the…
