Question #4a092

1 Answer
Dec 5, 2017

#235^@08; 304^@92#

Explanation:

sin x = - 0.82
Calculator and unit circle give 2 solutions:
#x = - 55^@08#, and
#x = 180 - (- 55.08) = 235^@08#
Note. The arc (-55.08) is co-terminal to arc (360 - 55.08) = 304.92.
Answers for (0, 360):
#235^@08, and 304^@92#