cos 2A = sin3A then find A
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Answered by
0
28 is A by given problem
Answered by
5
cos2A = sin3A
cos2A = cos(90-3A)
2A = 90-3A
5A = 90
A = 18
cos2A = cos(90-3A)
2A = 90-3A
5A = 90
A = 18
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