How to find acute angle between two intersecting lines in vector form?

When two lines intersect we can determine the acute angle by using the formula of cosine θ equal to scalar product of two vectors divided by product of their length.

Angle Between Two Planes (Definition, Formulas & Examples)

Angle Between Two Lines

Lesson Explainer: Angle between Two Straight Lines in the Coordinate Plane

Angle Between Two Lines: Definition, Formulas, Steps and Examples

vector spaces - Intersection between 2 planes - Mathematics Stack Exchange

Two Lines That Form A Right Angle

How to Find the Angle Between Two Vectors –

Angle Between Two Planes (Definition, Formulas & Examples)

How to find acute angle between two intersecting lines in vector form?

How to Find the Angle Between Two Vectors –

Three Dimensional Geometry, PDF, Line (Geometry)

SOLVED: The acute angle between intersecting lines that do not cross at right angles is the same as the angle determined by vectors normal to the lines or vectors parallel to the