Proof Without Words: Monotonicity of sin x/xon (0 , π/ 2)

Author： Li Xiaoxue H.  

Publisher： Mathematical Association of America

E-ISSN： 0746-8342|44|5|408-408

ISSN： 1931-1346

Source： The College Mathematics Journal, Vol.44, Iss.5, 2013-11, pp. : 408-408

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