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Find the Angle Between the Given Vectors to the Nearest u=i+7j,v=i9j\mathbf { u } = \mathbf { i } + \sqrt { 7 } \mathbf { j } , \mathbf { v } = - \mathbf { i } - 9 \mathbf { j }

question 272

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Find the angle between the given vectors to the nearest tenth of a degree.
- u=i+7j,v=i9j\mathbf { u } = \mathbf { i } + \sqrt { 7 } \mathbf { j } , \mathbf { v } = - \mathbf { i } - 9 \mathbf { j }


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