Eamcet Maths : Direction Ratios and Direction Cosines Leave a Comment / Eamcet Maths Notes 4 (4) –>Click here to download How useful was this post? Click on a star to rate it! Submit Rating Average rating 4 / 5. Vote count: 4 No votes so far! Be the first to rate this post. As you found this post useful... Follow us on social media!