File:45-degrees-gives-strongest-brace-glue-weld-etc-to-the-weakest-structure-of a-90-degree-angle-per-cosines.png

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45 degrees gives equal .707 support cosine to a 90degree(cosine 0) support. Any other angle makes one of the bracing joints less than .707, therefore weaker.

Summary

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Description
English: A>Anything but a 45o, closes 1 angle to more stronger, thus other brace angle forced to wider/weaker

>>And this system chain as any other will break on that weaker first; dictating the strength of the whole bracing. note: sine of 1 brace angle is the cosine of the other brace angle; if angles 'compliment'/complete each other to 90o

So, if know cos and sine of 1 angle brace to weakest 90o; you know the cosine/strength of both angles to the bracing.
Date
Source Own work
Author Thetreespyder

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Date/TimeThumbnailDimensionsUserComment
current10:02, 26 October 2022Thumbnail for version as of 10:02, 26 October 20221,732 × 832 (117 KB)Thetreespyder (talk | contribs)Had cut off bottom line: note how 30o support angle also leverages that stronger joint out further! Making angle a compound decision here !
09:19, 26 October 2022Thumbnail for version as of 09:19, 26 October 20221,728 × 800 (109 KB)Thetreespyder (talk | contribs)Uploaded own work with UploadWizard

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