Direction Ratios and Direction Cosines

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

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

(A) find the direction-cosines of the lines joining the points : (-1, -1, -1) and (2,3,4) (b) Find the direction ratios and direction cosines of the vector joining the points (4,7,2) and (5,11,-4). (c ) Find the direction cosines of a line segment joining the points A (2,5,7) and B (3,2,9) .

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:

Find the direction ratios and the direction cosines of the vector vecr= hati + hatj+hatk .

Find the direction ratios and the direction cosines of the vector joining the points A(2,1,-2) and B(3,5,-4) .

Find the direction ratios and the direction cosines of the line segment joining the points: A(1,0,0) and B(0,1,1) A(5,6,-3) and B(1,-6,3) A(-5,7,-9) and B(-3,4,-6)

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

Direction Cosines And Direction Ratios Of A Line

Direction cosine and ratio of line