...hours afterwards -y0 from the north. To what point of the compass were the vessels sailing ? (12). The shadows of two vertical walls, which are at right...height, are observed, when the Sun is due south, to be 6 and 6, feet in breadth. Shew that if a be the Sun's altitude above the horizon, and /3 be the inclination...

...The shadows of two vertical walls at right angles to one another and a, a^ feet high respectively, are observed, when the sun is due south, to be b and bl feet broad. Shew that if a be the sun's altitude and /3 the inclination of the first wall to the...

...from any point •within a square to three of its angular points, determine a side of the square. (33) The shadows of two vertical walls, which are at right...are observed when the sun is due south, to be b and 6' feet in breadth ; shew that if a be the sun's altitude, and (3 the inclination of the first wall...

...from any point within a square to three of its angular points, determine a side of the square. (33) The shadows of two vertical walls, which are at right...height, are observed when the sun is due south, to be Ь and e, feet in breadth ; shew that if a be the sun's altitude, and ß the inclination of the first...

...square. (33) The shadows of two vertical walls, which arc at right angles to each other, and are a and at feet in height, are observed when the sun is due south, to be b and i, feet in breadth; shew that if a be the sun's altitude, and ß the inclination of the first wall...

...Shew that 4A = 265. The shadows of two vertical walls which are inclined to each other at an angle y, and are a and a feet in height, are observed when...the Sun is due South to be b and b' feet in breadth. Hhew that if a be the Sun's altitude above the horizon, and ß the inclination of the first wall to...

...equation for determining it is sin (в — у) p sin (ß — а) sin(0-ß) ~~q' sin (y - ß) ' 12. The shadows of two vertical walls, which are at right...height, are observed, when the Sun is due south, to be 6 and bi feet in breadth. Shew that if a be the Sun's altitude above the horizon, and ß be the inclination...

...triangle. 264. 265. The shadows of two vertical walls which are inclined to each other at an angle y, and are a and a feet in height, are observed when the Sun is due South to be 6 and b' feet in breadth. Shew that if a be the Sun's altitude above the horizon, and ß the inclination...