trigonometric series
Noun
Meaning
trigonometric series (plural trigonometric series)
(mathematics) Any series of the form
1
2
A
o
+
∑
n
=
1
∞
(
A
n
cos
n
x
+
B
n
sin
n
x
)
.
{\displaystyle {\frac {1}{2}}A_{o}+\displaystyle \sum _{n=1}^{\infty }(A_{n}\cos {nx}+B_{n}\sin {nx}).}