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Question
secondary 3 | E Maths
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Date Posted: 3 years ago
Views: 339
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64=36+81-108cos(theta)
Cos(theta) = 0.49
Theta is closed to 60 degree
Cos(theta) = 0.49
Theta is closed to 60 degree
I don really understand sorry
Read your text book
Cosine rule
This is a standard question
Cosine rule
This is a standard question
done
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Date Posted:
3 years ago
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