A vector is described. Express the vector in terms of i and j. A plane flying downward toward a runway at 147 miles per hour makes an angle of 5° with the runway. v= (Simplify your answer. Round to the nearest tenth as needed. Type your answer in terms of i and j.)

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Q: What value of θ makes the statement true? cosθ=sin(θ/3−10

A:         cosθ=sinθ3-10∘ Use cosθ=sin90∘ -θ⇒sin90∘ -θ=sinθ3-10∘ ⇒θ3-10∘ =90∘ -θ+360∘ n,    θ3-10∘ =180...

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