Surveying
According to Napier's Rules of circular parts for a right angled triangle, sine of middle part equals the product of

Sines of two adjacent parts
Both (A) and (B) above
Cosines of two adjacent parts
Tangents of two adjacent parts

ANSWER DOWNLOAD EXAMIANS APP

Surveying
Pick up the correct statement from the following. The difference between the longitudes of the places is obtained.

By subtracting the sum of their longitudes exceeding 180° from 360° if places are in different hemispheres
By subtracting their longitudes if places are in the same hemisphere
All of these
By adding their longitudes if places are in the different hemispheres

ANSWER DOWNLOAD EXAMIANS APP