Answer
0.9789
Work Step by Step
Rounded to four significant digits, we have (using a calculator):
$$
\cos 348.2^o=0.97886=0.9789
.$$
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.