Geodesic
On Two Functional Equations for the Trigonometric Functions
Canadian mathematical bulletin, Tome 12 (1969) no. 3, pp. 281-286

Voir la notice de l'article provenant de la source Cambridge

DOI

We consider the following cosine and sine functional equations: (1) (2) where f is an entire function of a complex variable z and x, y are complex variables [1; 2; 3]. 
Haruki, Hiroshi. On Two Functional Equations for the Trigonometric Functions. Canadian mathematical bulletin, Tome 12 (1969) no. 3, pp. 281-286. doi: 10.4153/CMB-1969-035-1
@article{10_4153_CMB_1969_035_1,
     author = {Haruki, Hiroshi},
     title = {On {Two} {Functional} {Equations} for the {Trigonometric} {Functions}},
     journal = {Canadian mathematical bulletin},
     pages = {281--286},
     year = {1969},
     volume = {12},
     number = {3},
     doi = {10.4153/CMB-1969-035-1},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1969-035-1/}
}
TY  - JOUR
AU  - Haruki, Hiroshi
TI  - On Two Functional Equations for the Trigonometric Functions
JO  - Canadian mathematical bulletin
PY  - 1969
SP  - 281
EP  - 286
VL  - 12
IS  - 3
UR  - http://geodesic.mathdoc.fr/articles/10.4153/CMB-1969-035-1/
DO  - 10.4153/CMB-1969-035-1
ID  - 10_4153_CMB_1969_035_1
ER  - 
%0 Journal Article
%A Haruki, Hiroshi
%T On Two Functional Equations for the Trigonometric Functions
%J Canadian mathematical bulletin
%D 1969
%P 281-286
%V 12
%N 3
%U http://geodesic.mathdoc.fr/articles/10.4153/CMB-1969-035-1/
%R 10.4153/CMB-1969-035-1
%F 10_4153_CMB_1969_035_1

Cité par Sources :