Gilbert Strang, Calculus, 3rd edition (Wellesley-Cambridge Press; MIT OpenCourseWare RES.18-001) §11.1 Vectors and Dot Products, #23 · Multivariable Calculus · Vectors & geometry
Find the angle between the diagonal of cube and (a) an edge…
Find the angle between the diagonal of cube and (a) an edge
(b) the diagonal of a face (c) another diagonal of the cube.
Choose lines that meet.
Gilbert Strang, Calculus, 3rd edition (Wellesley-Cambridge Press; MIT OpenCourseWare RES.18-001) · §11.1 Vectors and Dot Products, #23
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