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What is the angle between \(a = (3i - 4j)\) and \(b = (6i + 4j)\)?
Question 1
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What is the angle between \(a = (3i - 4j)\) and \(b = (6i + 4j)\)?
13°
87°
100°
110°
Answer Details
Read lesson note on Trigonometry (WAEC)
Trigonometry
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