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Part 2: At what height should the cable be attached to the poles?
(Find Y at X=20):
A?18.6268
X?15.000
20
Y=30.4360
Part 3: What length of cable is needed?
B (EquaTions] (V]
L=2xAXSINH (X
A?18.6268
X?20.0000
L=48.1413
Prompts for A.
Retains previous A,
prompts for X.
Calculates height at
end of cable.
Displays the second
equation.
Prompts for A.
Retains previous values
for A and X, calculates
L.
Distance Between Two Locations
If the longitude and latitude of two locations are known, the distance
between them can be calculated by the equation:
D=69.0894xXACOS(SINC(HR(A> > XSIN(HR(T>>»+COS(HRC(AY »X
COSCHRCT>IXCOSCHRCO>-HRCGY )
the distance between the two places in statute miles.
where
D =
A =
the latitude of the first place.
O =
the longitude of the first place.
T =
the latitude of the second place.
G =
the longitude of the second place.
The longitudes and latitudes are entered in degrees-minutes-seconds
format (D.MMSSss); South Latitude and East Longitude are negative
numbers. The calculator must be in Degrees mode.
8: Additional Examples
131
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