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

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

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Surveying
The prismatic compass and surveyor’s compass

both give WCB of a line
give whole circle bearing (WCB) of a line and quadrantal bearing (QB) of a line respectively
both give QB of a line
both give QB of a line and WCB of a line

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