Determine the degree measure of 8 if cos 8 = 0.7022 in degree, minute, second rounded to the nearest second.
A)45° 23' 46"
B)0° 47' 32"
C)45° 39' 62"
D)44° 36' 13"

Question

Quizplus · Accepted Answer

The cosine of 8 is given as 0.7022. Using a calculator or cosine table, the angle whose cosine is 0.7022 is approximately 45.396 degrees. Converting 0.396 degrees to minutes and seconds gives 23 minutes and 46 seconds, making the angle 45° 23' 46".

Determine the Degree Measure of 8 If Cos 8 =