4. Use AABC to find the value of cos A.
A 40
9
B
41
9
B 9
...
Mathematics, 19.05.2020 20:10 amy721
4. Use AABC to find the value of cos A.
A 40
9
B
41
9
B 9
41
C
A
40
C9
40
D 40
41
Answers: 1
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