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Gilbert Strang, Calculus, 3rd edition (Wellesley-Cambridge Press; MIT OpenCourseWare RES.18-001) §11.1 Vectors and Dot Products, #31 · Multivariable Calculus · Vectors & geometry

In the semicircle find … and … in terms of … and…

In the semicircle find $C$ and $D$ in terms of $A$ and $B$ . Prove that $C \cdot D = 0$ (they meet at right angles).

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Gilbert Strang, Calculus, 3rd edition (Wellesley-Cambridge Press; MIT OpenCourseWare RES.18-001) · §11.1 Vectors and Dot Products, #31

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