$\text { Determine the convergence or divergence of the series } \sum _ { n = 1 } ^ { \infty } \frac { \cos n } { 10 ^ { n } } \text { using any }$

Multiple Choice

$\text { Determine the convergence or divergence of the series } \sum _ { n = 1 } ^ { \infty } \frac { \cos n } { 10 ^ { n } } \text { using any }$ appropriate test.

A) diverges
B) converges