Level:
Project ID:
9000045710
Accepted:
1
Clonable:
0
Easy:
0
Find the length \(l\)
of a latitude at \(50^{\circ }\)
N. (Use \(R\)
for the radius of the Earth.)
\(l = 2\pi R\cos 50^{\circ }\)
\(l = 2\pi R\sin 50^{\circ }\)
\(l = 2\pi R\mathop{\mathrm{tg}}\nolimits 50^{\circ }\)
\(l = 2\pi R\mathop{\mathrm{cotg}}\nolimits 50^{\circ }\)