Home
Class 11
MATHS
Find the direction cosines of a vector w...

Find the direction cosines of a vector whose direction ratios are (i) 1,2,3, (ii) 3,-1,3 (iii) 0,0,7

Promotional Banner

Topper's Solved these Questions

  • VECTOR ALGEBRA -I

    SURA PUBLICATION|Exercise EXERCISE 8.3|19 Videos

  • VECTOR ALGEBRA -I

    SURA PUBLICATION|Exercise EXERCISE 8.4|10 Videos

  • VECTOR ALGEBRA -I

    SURA PUBLICATION|Exercise ADDITIONAL PROBLEMS SECTION - D (5 - MARK)|4 Videos

  • TWO DIMENSIONAL ANALYTICAL GEOMETRY

    SURA PUBLICATION|Exercise ADDITIONAL PROBLEMS - SECTION - D|3 Videos

Similar Questions

Explore conceptually related problems

Find the direction consines of a line whose direction ratios are 1,3,-2

Find the direction cosines of the vector 3hati+2hat j+hat k

Find the direction cosines of the vector hati+2hatj+3hatk .

Find the direction cosines of the vector hat i+2 hat j+3 hat kdot

Find the direction cosines of the vector hat i + 2 hat j + 2 hat k .

(i) Find the direction cosines of the vectors 10veci-3vecj-4veck .

SURA PUBLICATION-VECTOR ALGEBRA -I-EXERCISE 8.2
  1. Verify whether the ratios are direction cosines of some vector or not....

    Text Solution

    |

  2. Verify whether the ratios are direction cosines of some vector or not....

    Text Solution

    |

  3. Find the direction cosines of a vector whose direction ratios are (i) ...

    Text Solution

    |

  4. Find the direction cosines and direction ratios for the following vect...

    Text Solution

    |

  5. Find the direction cosines and direction ratios for the following vect...

    Text Solution

    |

  6. Find the direction cosines and direction ratios for the following vect...

    Text Solution

    |

  7. Find the direction cosines and direction ratios for the following vect...

    Text Solution

    |

  8. Find the direction cosines and direction ratios for the following vect...

    Text Solution

    |

  9. Find the direction cosines and direction ratios for the following vect...

    Text Solution

    |

  10. A triangle is formed by joining the points (1,0,0), (0,1,0) and (0,0,1...

    Text Solution

    |

  11. If (1)/(2),(1)/(sqrt(2)) a are the direction cosines of some vector, t...

    Text Solution

    |

  12. If (a,a+b,a+b+c) is one set of direction ratios of the line joining (1...

    Text Solution

    |

  13. Show that the vectors 2hat(i)-hat(j)+hat(k),3hat(i)-4hat(j)-4hat(k), h...

    Text Solution

    |

  14. Find the value of lambda for which the vectors veca=3hat(i)+2hat(j)+9h...

    Text Solution

    |

  15. Show that the vectors are coplanar hat(i)-2hat(j)+3hat(k),-2hat(i)+...

    Text Solution

    |

  16. Show that the vectors are coplanar 2hat(i)+3hat(j)+hat(k),hat(i)-hat...

    Text Solution

    |

  17. Show that the points whose position vectors 4hat(i)+5hatj+hatk,-hatj-h...

    Text Solution

    |

  18. If veca=2hati+3hatj-4hatk,vecb=3hati-4hatj-5hatk, and vecc=-3hati+2hat...

    Text Solution

    |

  19. If veca=2hati+3hatj-4hatk,vecb=3hati-4hatj-5hatk, and vecc=-3hati+2hat...

    Text Solution

    |

  20. The position vectors of the vertices of a triangle are hati+2hatj+3hat...

    Text Solution

    |