Gilbert Strang, Calculus, 3rd edition (Wellesley-Cambridge Press; MIT OpenCourseWare RES.18-001) §11.1 Vectors and Dot Products, #45 · Multivariable Calculus · Vectors & geometry

A methane molecule has a carbon atom at … and hydrogen atoms…

A methane molecule has a carbon atom at $(0, 0, 0)$ and hydrogen atoms at $(1, 1, - 1)$ , $(1, - 1, 1)$ , $(- 1, 1, 1)$ , and $(- 1, - 1, - 1)$ . Find
(a) the distance between hydrogen atoms
(b) the angle between vectors going out from the carbon atom to the hydrogen atoms.

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Gilbert Strang, Calculus, 3rd edition (Wellesley-Cambridge Press; MIT OpenCourseWare RES.18-001) · §11.1 Vectors and Dot Products, #45

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