3.4․6 Tangents and normals
Condition: Given a plane with the equation \( 5 x-8 y-7 z-58=0 \) and a point \( P(7 ;-7 ;-15) \). Find a point symmetrical to \(P\) relative to the given plane.
Solving problems in three-dimensional space using tangents and normals, both straight lines and planes.