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Simple trigo (Posted on 2014-01-03) Difficulty: 2 of 5
Find the value of

(i)cos 36
(ii)tan 15

using geometry.

No Solution Yet Submitted by Danish Ahmed Khan    
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re: tan15 FIRST | Comment 3 of 6 |
(In reply to tan15 FIRST by Ady TZIDON)

This is unreadable. Could you redo in a plain text editor such as notepad? Degree symbols can be produced with alt-2-4-8 even with a plain text editor. Bold can be done with the B button within the editing page here. I think that's all you need.
  Posted by Charlie on 2014-01-03 17:26:09

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