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Rina8888 [55]
3 years ago
6

Cos theta=10/26, theta lies in quadrant IV

Mathematics
1 answer:
Galina-37 [17]3 years ago
3 0
Cos(theta)=10/26=5/13
acos(5/13)=1.176 radians = 67.4 degrees
Since it is in the fourth quadrant, the angle is -67.4 degrees
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