Question: Need help vector sucht that cos 0 + CO Q. 4. If a and b are unit vectors and O is the angle between them

Need help Need help vector sucht that cos 0 + CO Q. 4. If

vector sucht that cos 0 + CO Q. 4. If a and b are unit vectors and O is the angle between them 1 163 show that sin la-bl. 2

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