Determine ||v+w|| if v and w are unit vectors separated by 0.3 radians
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First thing to do is draw a diagram of the triangle. Two sides are 1 and the angle between them is . Use cosine rule to find the distance required.
Originally Posted by casesam Determine ||v+w|| if v and w are unit vectors separated by 0.3 radians Let Since you can express as: Therefore Now calculate because .
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