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Math Forum » Discussions » Courses » ap-calculus

Topic: I believe the military unit is "mil" and that there are
6400
of them in a
Replies: 1   Last Post: Feb 3, 1998 9:53 AM

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DAVE ESPENSHADE

Posts: 28
Registered: 12/6/04
I believe the military unit is "mil" and that there are
6400
of them in a
Posted: Feb 3, 1998 9:53 AM
  Click to see the message monospaced in plain text Plain Text   Click to reply to this topic Reply

I believe the military unit is "mil" and that there are 6400 of them in a
circle, making them very close to a thousandth of a radian, and allowing
the mental use of the small angle approximation sin theta is about theta for
small theta. Thus when firing a mortar round, it would be easy to calculate
a small variation in azimuth based on estimated horizontal separation in
(yds. meters, etc) if one knew the range--which is essential to set the
elevation!

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