Proof Without Words: Monotonicity of tan x/x on (0, π/2)

Author: Li Xiaoxue H.  

Publisher: Mathematical Association of America

E-ISSN: 0746-8342|44|5|420-420

ISSN: 1931-1346

Source: The College Mathematics Journal, Vol.44, Iss.5, 2013-11, pp. : 420-420

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