VECTOR ALGEBRA | VECTOR JONING TWO POINTS, DIRECTION COSINES AND DIRECTION RATIOS

Direction Cosines And Direction Ratios Of A Line

Types OF vectors || Triangle law OF addition || Parallelogram law OF addition || Section formula || Direction Ratio and Direction Cosine

Basic Mathematics |Resolution Of Vectors|Resolution Of Vectors Into Rectangular Components|Rectangular Components Of A Vector In Three Dimensions|Direction Cosines|Practice Exercise Questions|Summary

Types OF Vector|| Null Vector || Unit Vector|| Parallel Vector|| Direction Cosine || Direction Angle

Direction Cosine || Direction angle|| Collinear Vector|| Coplanar Vector || 4 law OF Addition

Basics OF 3 D- geometry || Direction cosines and Direction ratios

Direction ratio and Direction cosine || Plane : Cartisian form & Normal Form

Find the direction cosines of the vector joining the points A(1, 2, -3) and B(-1, -2, 1) directed from A to B .

Find the direction cosines of the vector joining the points A(1,2,-3) and B(-1, -2, I)directed from A to B.

Section (A): Position vector,Direction Ratios & Direction cosines: A^(-1). If the vector vec b is collinear with the vect,vec a=(2sqrt(2),-1,4) and |vec b|=6 then: