Find the expansion of cos(xsin(t)).
Posted: Thu Jul 14, 2022 9:27 am
a) \(\sum_{n=1}^∞ (\frac{x^n [Cos(nt)]}{n!})\)
b) \(\sum_{n=0}^∞ (\frac{x^n [Cos(nt)]}{n!})\)
c) \(\sum_{n=1}^∞ (\frac{x^n [Sin(nt)]}{n!})\)
d) \(\sum_{n=0}^∞ (\frac{x^n [Sin(nt)]}{n!})\)
b) \(\sum_{n=0}^∞ (\frac{x^n [Cos(nt)]}{n!})\)
c) \(\sum_{n=1}^∞ (\frac{x^n [Sin(nt)]}{n!})\)
d) \(\sum_{n=0}^∞ (\frac{x^n [Sin(nt)]}{n!})\)