Talk:Spherical trigonometry
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[edit] Valid theorems
Please try to answer whether these questions are known:
- Is SSS a valid congruence theorem for spherical triangles??
- Is SAS a valid congruence theorem for spherical triangles??
- Is ASA a valid congruence theorem for spherical triangles??
- Is AAS a valid congruence theorem for spherical triangles??
66.245.7.28 18:33, 6 Nov 2004 (UTC)
[edit] Neper's circle
I corrected the image for Neper's circle
Eroica 08:30, 1 November 2005 (UTC)
I corrected the image a bit more. The original figure was mismatched with the description of the equations given in the text. The figure, as it was previously drawn was similar to the one on the referred page: http://www.rwgrayprojects.com/rbfnotes/trig/strig/strig.html. The equations as stated in the wiki article are the co-equations of this page. So either the equations need to be corrected, or the picture needed to have the complementary angles drawn. I chose to fix the picture.
Arif Zaman 16:29, 19 December 2005 (UTC)
