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Find the angle between the given vectors to the nearest tenth of a degree. u = <2, -4>, v = <3, -8> 3.0° 6.0° -7.0° 16.0°?

Science & Mathematics by Anonymous 2018-06-16 20:01:54

Social Science

Find the angle between the given vectors to the nearest tenth of a degree. u = <2, -4>, v = <3, -8> 3.0° 6.0° -7.0° 16.0°?

1 answer

  • Anonymous

    rules u = <a,b> , v = <c,d> --->uv = ac+bd , u = <a,b> --->|u|^2 = a^2 + b^2 and u.v = |u|*|v|*cos(θ )

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