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 \(\theta\)

Circumstances of latitude 0\(^o\)s where R is the radius of the earth 2\(\pi\)r cos \(\theta\)