Find the angle between the given vectors to the nearest tenth of a degree. u = <8, 7>, v = <9, 7> -8.3° Question Find the angle between the given vectors to the nearest tenth of a degree. u = <8, 7>, v = <9, 7> -8.3° 1.7° 3.3° 13.3° in progress 0 Math Rylee 4 weeks 2021-09-19T21:44:15+00:00 2021-09-19T21:44:15+00:00 1 Answer 0

## Answers ( )

Answer:Step-by-step explanation:If θ is the angle between two vectors u and v, then cosθ = (u·v) / [llull llvll]

u·v = (8)(9) + (7)(7) = 121

llull = √[(8)2 + (9)2] = √145 llvll = √[(7)2+(7)2] = 7√2

So, cosθ = 121/ [7√290]

= 1.015052094

θ = Cos-1(1.015052094) ≈ 3.3