Find the direction cosines of the vector v = -21-8ĵ+2k Give your answers in exact form i.e. in terms of fractions and surds where necessary. 2 For example enter as 2/sqrt(3). √√3 cos a = cos B= cos y =

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Q: Let u = 4i - 9j, and v= - 4i +4j. Find v- u. v-u = (Type your answer in terms of i and j.)

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Q: ading uler Magni fier Highlight mode Review later 2. 9. Simplify (1+ 2xi) + (4+ 3ri), where i is the…

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Q: ELE 3. 6. - 1 -2 The acute angle between the two vectors a = and b

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Q: Find v-u. v=4i-7j and u= -9i+2j OA. -5i-5j OB. -50 O C. -36i-14j OD. -22

A: Given: v= 4i - 7j u= -9i+2j

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