Short cuts for direction ratios and direction cosines/For class 12th/ IIT-JEE/NDA/ BITSAT/EAMCET

Hi 👋 people!!
This is the video in which I am going to deal with the shortcuts of direction ratios and direction cosines Part-3.Later in my upcoming videos I am going to discuss many tricks....after watching all the videos u will be zero to hero in this chapter

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