BirdForum is the net's largest birding community dedicated to wild birds and birding, and is absolutely FREE!

Register for an account to take part in lively discussions in the forum, post your pictures in the gallery and more.

Reply to thread

Message: <blockquote data-quote="typo" data-source="post: 3187355" data-attributes="member: 83808"><p>Dan,</p><p>2.arctan D/2d</p><p></p><p>A very long time since I last did this stuff but I think this works. First do the bit in the brackets. (27.5/(2 x 25) = 0.55.</p><p>To get Arctan on the laptop's Scientific calculator click the Inv button followed by Tan which should give you 28.8 degrees.</p><p>2 x 28.8 = 57.6 degrees = AVOV if I've got it right.</p><p></p><p>David</p></blockquote><p></p>

Verification

This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.

Accept Learn more...

Top