Trigonometrie, or, The doctrine of triangles, etc. (London, Printed by William Iones, 1631.)

AD+ED alfo alſo angle of position anſwering arch found baſe becauſe Cafe caſe circle co.ar compaſſe compl complement arithmeticall courſe defire degrees difference of latitude difference of longitude direct poſition diſtance equall example extreams fame fides fifth triangle finde the Suns firſt fixth foutherly fumme funs halfe hath hour from noon hypothenuſall laſt leagues Lizard Logarithm Num Logarithm meaſure meridian meridian altitude moſt northerly Num Logarithm Num oblique triangle obſerve oppoſite perpen perpendicular places plain triangles pofition poles elevation propoſition quadrant quadrantall triangle Radius rectangle remainer reſolution right angled triangles rumbe ſame ſay ſecant ſecond ſet ſhall ſhewed ſhould ſide Sine TANGENT ſome ſphericall triangles ſubſtract ſuch ſumme Summers Ilands ſuns Suns azimuth Suns declination Suns height ſuppoſe Table tang tangent complement thereof theſe third thoſe uſe