Hover or tap underlined Spanish terms to see their translation and exam tip.
Calcular el valor del rumbo inicial ortodrómico desde un punto -A- cercano a la Isla de Bali= 10º 10,0’S – 126º 20,0’E Y otro punto -B- al Este de Durban (Sudáfrica)= de posición 30º 30,0’S 040º 10,0'E:Calculate the initial great circle course from point A near Bali = 10º 10.0’S – 126º 20.0’E to point B east of Durban (South Africa) = 30º 30.0’S 040º 10.0'E:
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Correct answer: b) 240.6º
Why it is correct
South latitudes negative: initial course 240.6º.
Why the others are not
- a) It does not match the working.
- c) It does not match the working.
- d) It does not match the working.
How to work it out in the exam
- tan R = sin ΔL / (cos l1 tan l2 − sin l1 cos ΔL).
- Convert the result to circular by the direction of travel.
Where this question comes from
- Región de Murcia · 2020 · 1ª convocatoria · CY Tipo 1 · question 20 Official paper · Official answer key
Pending instructor review. Machine translation, not reviewed.