Use the information given below to find cos (a -B).
1
3
tan a = with a in quadrant III<...
Mathematics, 06.04.2021 23:40 lestessanders02
Use the information given below to find cos (a -B).
1
3
tan a = with a in quadrant III
4'
4
cos B with ß in quadrant I
5'
---
Give the exact answer, not a decimal approximation.
cos(a - b) = 0
.
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Answers: 3
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