Argentavis from the Miocene
A 3 degree glide angle is a slightly over 19:1 glide ratio. This is high
school trigonometry - simply look up the cotangent of 3 (the value of
y/x). Not quite as good as a 2-33 :-).
Yeah, I know, cot = adjacent/opposite - x/y. I hate typos :-).
Tony
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