Calculate Cn and Sn?
C_n=sumcosh(k x)
S_n= sum sinh(k x)
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