How to calculate longitude2 latitude2 using longitude1 latitude 1 and the angle bearing

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Hello i want to calculte long2 lat2 using a long1 lat1 distance and the angle

longitude latitude (43.619117 1.3719584)
distance 4 km
angle 323

Posted 10-Nov-15 5:50am

Jammes_Ca

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jeron1 10-Nov-15 12:02pm

What have you tried? Have you googled this? Have you seen "http://www.movable-type.co.uk/scripts/latlong.html" ?

KarstenK 10-Nov-15 14:24pm

it is simple math with sinus and cosinus. Consider that you really are in trouble by not understanding such tasks. Ask some mate or teacher and learn your stuff or you wont make your exams. :-(

Patrice T 10-Nov-15 16:04pm

I fear it is a little bit more complicated.
It is simple math with sinus and cosinus on a sphere and it must involve a great circle computation.

RedDk 10-Nov-15 14:46pm

prapps:

https://en.wikipedia.org/w/index.php?title=Versine&redirect=no

'fer starters ...

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Patrice T · Answer 1 · 2015-11-10T15:07:00

A simple Google research on longitude + latitude + bearing + distance leads you to
http://www.movable-type.co.uk/scripts/latlong.html[^]
http://stackoverflow.com/questions/7222382/get-lat-long-given-current-point-distance-and-bearing[^]
http://stackoverflow.com/questions/2187657/calculate-second-point-knowing-the-starting-point-and-distance[^]
And those are only the 3 first answers.

https://en.wikipedia.org/wiki/Great-circle_distance[^]

As always, the shortest path between 2 positions on a sphere is trough an arc of the great circle.