JAMB - Mathematics (2020 - No. 7)
What is the circumference of latitude 0\(^o\)S if R is the radius of the earth?
cos \(\theta\)
2\(\pi\)R cos \(\theta\)
R sin \(\theta\)
2 \(\pi\) r sin \(\theta\)
Giải thích
Circumstances of latitude 0\(^o\)s where R is the radius of the earth 2\(\pi\)r cos \(\theta\)