Find angles between lines and planes - visual intersection check
A line has direction length 21, a plane normal has length 29, and \(|\mathbf{d}\cdot\mathbf{n}|=420\). Enter \(\sin\alpha\), where \(\alpha\) is the angle between the line and the plane.
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Worked practice: result and interpretation
Calculate the requested result first, then choose the interpretation that follows from it.