Vectors in R3
https://maa.org/taxonomy/term/41380/all
enThe Matrix of a Rotation
https://maa.org/programs/faculty-and-departments/classroom-capsules-and-notes/the-matrix-of-a-rotation
<div class="field field-name-body field-type-text-with-summary field-label-hidden"><div class="field-items"><div class="field-item even"><p><em>Given a unit vector \(p\) in \( \mathbf{R}^3\) and an angle \( \theta\), what is the matrix of the rotation of \(\mathbf{R}^3\) about \(p\) through an angle of \(\theta\) in terms of the standard basis? The author obtains an explicit matrix without changing bases.</em></p>
</div></div></div>On the Measure of Solid Angles
https://maa.org/programs/faculty-and-departments/classroom-capsules-and-notes/on-the-measure-of-solid-angles
<div class="field field-name-body field-type-text-with-summary field-label-hidden"><div class="field-items"><div class="field-item even"><p><em>The author revisits formulas of measuring solid angles that he could find only in centuries-old literature, and provides modern versions of the proofs.</em></p>
</div></div></div>MIT Open Courseware: Vectors, Partial Derivatives, Multiple Integrals
https://maa.org/programs/faculty-and-departments/course-communities/mit-open-courseware-vectors-partial-derivatives-multiple-integrals
Manipula Math
https://maa.org/programs/faculty-and-departments/course-communities/manipula-math
Dot Product Applet
https://maa.org/programs/faculty-and-departments/course-communities/dot-product-applet
Linear Algebra Applets from Brown University
https://maa.org/programs/faculty-and-departments/course-communities/linear-algebra-applets-from-brown-university
Innovative Uses of Excel in Linear Algebra
https://maa.org/programs/faculty-and-departments/course-communities/innovative-uses-of-excel-in-linear-algebra
Math Insight: Vector algebra
https://maa.org/programs/faculty-and-departments/course-communities/math-insight-vector-algebra
Math Insight: Scalar Triple Product
https://maa.org/programs/faculty-and-departments/course-communities/math-insight-scalar-triple-product
Math Insight: Linear Transformation In Two Dimensions
https://maa.org/programs/faculty-and-departments/course-communities/math-insight-linear-transformation-in-two-dimensions
A First Course in Linear Algebra
https://maa.org/programs/faculty-and-departments/course-communities/a-first-course-in-linear-algebra