Converting DMS Decimal Degrees
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Converting DMS Decimal Degrees OBJ: Convert DMS to Dec. Deg Convert Dec. Deg. To DMS
description
Converting DMS Decimal Degrees. OBJ: Convert DMS to Dec. Deg Convert Dec. Deg. To DMS. EX: Convert to degrees. 11 3. 9 4. EX: Convert to degrees. 11 3 11 • 180 3 11 • 180 60 3 660 . 9 4 9 • 180 - PowerPoint PPT Presentation
Transcript of Converting DMS Decimal Degrees
Converting DMS Decimal Degrees
OBJ: Convert DMS to Dec. Deg
Convert Dec. Deg. To DMS
EX: Convert to degrees
11 3
94
EX: Convert to degrees
11 3
11 • 180 3 11 • 180 60
3 660
94
9 • 1804 9 • 180 45
4 405
P 19 EX3a: Convert 74 8 14 to decimal degrees74 8 1474 +
8
60 +
14
3600 =
74.137
P22:30 Convert to Dec. Deg.
165 51 09165 +
51
60 +
9
3600 =
165.853
P19 EX3a: Convert 34.817 to DMS
34.817
.817 • 60 =49.02
.02 • 60 =1.234 49 1
P22: 36 Convert to DMS
122.6853
.6853 • 60 =41.118
.118 • 607.08 122 41 07
EX: Find sin (74 8 14)
sin (74.137).962
sin 0 0
sin 30 .5
sin 60 .87
sin 90 1
sin 120 .87
sin 150 .5
(sin166) .25
sin 180 0
EX: Find csc (165 51 09)
1_______
sin (165.853)4.091
csc 0 Øcsc 30 2
csc 60 1.2
csc 90 1
csc 120 1.2
csc 150 2
(sin 166 = .25 or )csc 180 Ø
EX: Find < 90 if sin =.818150
sin =.818150
sin-1 sin = sin-1.818150
= sin-1 (.818150) =
54.900
sin 0 0
sin 30 .5
sin 60 .87
P80: 32) sin = .2784
sin = .2784
sin-1 sin = sin-1 .2784
= sin-1 (.2784)
16.165
sin 0 0
sin 30 .5
EX: Find <90if sec=1.0545829
sec = 1.0545829
cos = ( 1____
1.0545829)
cos-1 cos = cos-1( 1____
1.0545829)
= cos-1 ( 1____
1.0545829)
18.515
P80: 34) cot = 1.257
cot = 1.257
tan = 1
1.257
tan-1 tan = tan-1 1
1.257
= tan-1 ( 1__
1.257)
38.504º
EX: sec (-121 53 42)
sec (-121 53 42)53
60 +
42
3600 =
-121.895
1______
Cos(-121.895)
-1.893
