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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. 9  4. EX:  Convert to degrees. 11  3 11  • 180  3  11  • 180  60 3  660 . 9  4 9  • 180  

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Converting DMS  Decimal Degrees

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  1. Converting DMS Decimal Degrees OBJ: Convert DMS to Dec. Deg Convert Dec. Deg. To DMS

  2. EX:Convert to degrees 11 3 9 4

  3. EX:Convert to degrees 11 3 11• 180 3  11 •180 60 3  660 9 4 9 •180  9 •180 45  405

  4. P 19 EX3a:Convert 74 8 14 to decimal degrees 74 8 14 74 + 8 60 + 14 3600 = 74.137

  5. P22:30 Convert to Dec. Deg. 165 51 09 165 + 51 60 + 9 3600 = 165.853

  6. P19 EX3a:  Convert 34.817 to DMS 34.817 .817 • 60 = 49.02 .02 • 60 = 1.2 3449 1

  7. P22: 36 Convert to DMS 122.6853 .6853 • 60 = 41.118 .118 • 60 7.08 12241 07

  8. 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 sin (74 8 14)

  9. 1_______ sin (165.853) 4.091 csc 0 Ø csc 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 csc (165 51 09)

  10. sin  =.818150 sin-1 sin  = sin-1.818150  = sin-1 (.818150) = 54.900 sin 0 0 sin 30 .5 sin 60 .87 EX: Find < 90 if sin  =.818150

  11. sin  = .2784 sin-1 sin  = sin-1 .2784  = sin-1 (.2784) 16.165 sin 0 0 sin 30 .5 P80: 32) sin  = .2784

  12. EX: Find <90if sec=1.0545829 sec  = 1.0545829 cos  = ( 1____ 1.0545829) cos-1cos  = cos-1( 1____ 1.0545829)  = cos-1 ( 1____ 1.0545829) 18.515

  13. 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

  14. sec (-121 53 42) 53 + 42 = -121.895 1______ Cos(-121.895) -1.893 EX: sec (-12153 42)

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