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 Trig trick (Posted on 2002-11-07)
Prove that
sinē x + cosē x = 1

 See The Solution Submitted by Dulanjana Rating: 2.1818 (11 votes)

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 re: James | Comment 3 of 13 |
(In reply to by James)

The problem with your proof is that all right triangles are not 3,4,5 triangles. According to your proof only the angles contained in a 3,4,5 triangle satisfies this equation. The solution should satisfy all angles.
 Posted by Dulanjana on 2002-11-09 22:42:20

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