FavvBella84
24.10.2020 •
Mathematics
Using the fact that cos(52) = 0.6157, find the measure of angle B if sin(B) = 0.6157.
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Ответ:
Work Shown:
If cos(A) = sin(B), then A+B = 90, where A & B are both acute angles in degree form.
In this case, A = 52, so,
A+B = 90
B = 90-A
B = 90-52
B = 38
Telling us that
cos(A) = cos(52) = 0.6157
sin(B) = sin(38) = 0.6157
cos(52) = sin(38)
Ответ: