a = 3i + 2j b=-9i + t. Determine t Angle between vector a and b is 60 Given the vectors u = (-3,0,1) v= (-1,-2,2) determine unit vector in the direction of v v x u Find the value of the direction angles of both vectors
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Originally Posted by peon123 a = 3i + 2j b=-9i + t. Determine t Angle between vector a and b is 60 The formula for the angle between two vectors a & b is . So t = 4.450 or 139.550, but it looks like t = 4.450 is extraneous (the angle turns out to be 120 degrees). I think that's right. 01
Originally Posted by peon123 Given the vectors u = (-3,0,1) v= (-1,-2,2) determine unit vector in the direction of v Be careful with notation. For vectors, use "<>", not parentheses. v = <-1, -2, 2> unit vector in the direction of v = 01
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