The unit vector in the direction of the line is defined as .
A)tangent vector+length of the line
B)tangent vector-length of the line
C)tangent vector/length of the line
D)length of the line/tangent vector

Question

Quizplus · Accepted Answer

A unit vector in the direction of the line is obtained by dividing the tangent vector (which gives the direction of the line) by the length of the line. This normalizes the vector to have a length of 1, making it a unit vector.

The Unit Vector in the Direction of the Line Is