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MATH / Let a and b be vectors such that the angle between a and b is 29^(∘), and the angle between b and a−b is 84^(∘). Find the angle between a and a−b. · Discussion

Discussing Let a and b be vectors such that the angle between a and b is 29^(∘), and the angle between b and a−b is 84^(∘). Find the angle between a and a−b. · MATH

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