Proof Without Words: A Trigonometric Identity for sec x + tan x

Author： Nelsen Roger B.  

Publisher： Mathematical Association of America

E-ISSN： 1930-0980|88|2|151-151

ISSN： 1930-0980

Source： Mathematics Magazine, Vol.88, Iss.2, 2015-04, pp. : 151-151

Disclaimer: Any content in publications that violate the sovereignty, the constitution or regulations of the PRC is not accepted or approved by CNPIEC.

Previous Menu Next

Abstract

Related content

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

By Li Xiaoxue H.  

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

Mathematical Association of America

Access to resources Recommend Favorite

Proof Without Words: An Arctangent Identity

By Unal Hasan  

Mathematics Magazine, Vol. 82, Iss. 1, 2009-02 ,pp. : 56-56

Mathematical Association of America

Access to resources Recommend Favorite

Proof Without Words: An Arctangent Identity

By  

The College Mathematics Journal, Vol. 45, Iss. 5, 2014-11 ,pp. : 357-357

Mathematical Association of America

Access to resources Recommend Favorite

Proof Without Words: A Trigonometric Proof of the Arithmetic Mean–Geometric Mean Inequality

By Nelsen Roger B.  

The College Mathematics Journal, Vol. 46, Iss. 1, 2015-01 ,pp. : 42-42

Mathematical Association of America

Access to resources Recommend Favorite

Proof Without Words: Cosine Difference Identity

By  

The College Mathematics Journal, Vol. 45, Iss. 5, 2014-11 ,pp. : 370-370

Mathematical Association of America

Access to resources Recommend Favorite