A pair of supplementary angles add up to 180 degrees. Therefore, the supplement to a 38 degree angle is equal to 180 - 38 = 142 degrees.
Find the cosine of 38 degrees and then find its reciprocal.
52 degrees
It is: 90-52 = 38 degrees
They add up to 6480 degrees
An acute angle
51 divided 38 = 1.3421052631578947
38 is an acute angle and 105 is an obtuse angle
1.9
2
0.6786
54
14.0263
217
0.1053
0.0096
0.0045