Direction Ratio's And Direction Cosines -With Examples|Equation Of Straight Line -With Examples|OMR

Direction Cosines And Direction Ratios Of A Line

Explain Pair of straight lines with examples.

Direction cosine and ratio of line

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

Find the direction cosines of the line whose direction ratio are 2,-4,6

Find the direction ratios and direction cosines of the lines joining the following points.(1,2,3) and (4,5,6)

Find the direction ratios and direction cosines of the lines joining the following points. (5,3,-2) and (3,-1,4)

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

Direction Cosines| Direction Ratio| Lines| planes| family of Planes| Intersection of planes