Question: 1. (6 points) Given a vector u with magnitude lu=20 and direction angle 0=135 . Write u in the form (a, b) . Give exact

1. (6 points) Given a vector u with magnitude lu=20 and direction angle 0=135 . Write u in the form (a, b) . Give exact values. 2. Find the magnitude and direction angle for v=(-3,213) . Show all work! (6 points) Magnitude (exact value) = (6 points) Direction angle to the nearest tenth of a degree 0 = 3. (6 points) Give u=-5i+12 j and v=3i+2j . Find the angle, in degrees, between the two vectors. (nearest hundredth) 0 =i 4. (6 points) Write V3-i in polar form r(cos0+isin 0) , where ris exact and 050

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