and 
in the definition (3.5.1)
of the big q-Jacobi polynomials and let 
we find the Jacobi
polynomials given by (1.8.1) :
If we set c = 0, and in the definition (3.5.1)
of the big q-Jacobi polynomials and let we find the Jacobi
polynomials given by (1.8.1) :
If we take 
for arbitrary real 
instead of c = 0 we
find
If we set c = 0 in the definition (3.5.13) of the big
q-Legendre polynomials and let 
we simply obtain the Legendre
(or spherical) polynomials defined by (1.8.57) :
If we take 
for arbitrary real 
instead of c = 0 we
find
