Here is my w/o so far: http://imgur.com/a/cUOo0
Any labelling I done wrong? I used cosine rule for the AB length and trig identities for AD
Edit: Should be 90-X for angles OBC and OAD
C3 Trig and Circles Watch
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Last edited by TSRforum; 11-02-2016 at 00:03.
- 10-02-2016 23:52
- 11-02-2016 08:34