There are 360 degrees in any circle, and one
360 may seem to be an unusual number to use, but this part
Fractions of Degrees
There are two methods of expressing fractions of degrees.
Most scientific calculators can display degrees both ways. The key for degrees on my calculator looks like ° ' ", but the key on another brand may look like DMS. You will need to refer to your calculator manual to determine the correct keys for degrees. Most calculators display answers in the form of degrees and a decimal of a degree.
It is seldom necessary to convert from minutes and seconds to decimals or vice versa; however, if you use the function tables of many trade manuals, it is necessary. Some tables show the fractions of degrees in minutes and seconds (DMS) rather than decimals (DD). In order to calculate using the different function tables, you must be able to convert the fractions to either format.
Converting Degrees, Minutes, & Seconds to Degrees & Decimals
To convert degrees, minutes, and seconds (DMS) to degrees and decimals of a degree (DD):
Converting Degrees & Decimals to Degrees, Minutes, & Seconds
To convert degrees and decimals of degrees (DD) to degrees, minutes, and seconds (DMS), referse the previous process.
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