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  1. RadEn
    • 2 years ago
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    to get θ, use the defined of sinθ = (20√3)/40 = 1/2 √3 θ = 60 °

  2. RadEn
    • 2 years ago
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    and to get x, use value cosθ (θ=60°) cosθ = x/40 cos60° = x/40 1/2 = x/40 x = 20 m

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