Neco 2018 Mathematics Question 18
Practice objective / multiple choice question 18 from the 2018 Neco Mathematics examination.
In a plane, two vectors \(\mathbf{A}\) and \(\mathbf{B}\) have magnitudes \(|\mathbf{A}|=5\) and \(|\mathbf{B}|=7\) respectively. The vector \(\mathbf{C}=2\mathbf{A}-3\mathbf{B}\) is known to have magnitude \(10\). Find the acute angle \(\theta\) between \(\mathbf{A}\) and \(\mathbf{B}\). Give your answer in degrees rounded to one decimal place.
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About This Question
This is Neco 2018 Mathematics Question 18. It is one of the objective questions from the 2018 Neco Mathematics examination.
Difficulty level: Hard .
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