Calculate Cn and Sn?
Cn=∑cosh(kx)
Sn=∑sinh(kx)
where k=1 and n is an element of N*
where k=1 and n is an element of N*
1 Answer
Nov 28, 2017
See below.
Explanation:
but, using the formula for the sum of geometric sequences,
and
with similar procedure we get at