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Minimizing Trigo value (Posted on 2014-03-02) Difficulty: 3 of 5
Find the minimum value of | sin x + cos x + tan x + cot x + sec x + csc x | for any real number x.

No Solution Yet Submitted by Danish Ahmed Khan    
Rating: 4.0000 (2 votes)

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re(2): answer | Comment 4 of 7 |
(In reply to re: answer by broll)

and also at the complementary angle to that, which is -1.08264952471865..., or, placed into a positive context by adding 2*pi, 5.20053578246093, as the sines switch values with the cosines, etc.
  Posted by Charlie on 2014-03-02 18:45:59

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