Home
Class 12
MATHS
What is the angle between hati+ hatj and...

What is the angle between `hati+ hatj` and `hati-hatj` ?

Promotional Banner

Topper's Solved these Questions

  • THREE DIMENSIONAL GEOMETRY

    SHARAM PUBLICATION|Exercise EXAMPLE|96 Videos

Similar Questions

Explore conceptually related problems

Find the scalar product of the following pairs of vectors and the angle between them. 3hati-4hatj and -2hati+hatj

Find the scalar product of the following pairs of vectors and the angle between them. hati-hatj and hatj+hatk

Find the scalar product of the following pairs of vectors and the angle between them. 2hati-3hatj+6hatk and 2hati-3hatj-5hatk

Find the angle between the vectors 3hati + 4hatj and 2hati+hatj+sqrt3hatk

Find the angle between the vectors 3hati+ 4hatj and 2hati+hatj+hatk .

If veca makes equal angles with hati, hatj and hatk and has magnitude 3, prove that the angle between veca and each of hati, hatj and hatk is cos^(-)(1/sqrt3) .

Determine the sine of the angle between the vectors 5hati-3hatj, 3hati-2hatk

What is the unit vector perpendicular to the vectors hati- hatj and 2hati-3hatj ?

Determine the sine of the angle between the vectors hat-3hatj+hatk, hati+hatj+hatk

Write a vector normal to hati+hatk and hati+hatj .

SHARAM PUBLICATION-VECTORS-EXAMPLE
  1. If (vec a times vec b)^2 + (vec a cdot vec b)^2=144, write the value o...

    Text Solution

    |

  2. Write a vector normal to hati+hatk and hati+hatj.

    Text Solution

    |

  3. What is the angle between hati+ hatj and hati-hatj ?

    Text Solution

    |

  4. If veca and vecb are unit vectors such that vecaxxvecb is a unit vecto...

    Text Solution

    |

  5. If two vectors oversetrarra and oversetrarrb are such that |oversetrar...

    Text Solution

    |

  6. What is the direction of (hati+hatj+hatk)+(hati+hatk-3hatj)+ (hatk+hat...

    Text Solution

    |

  7. What is the projection of hat i + hat j - hat k upon the vector hat i ...

    Text Solution

    |

  8. Prove that [vecaxxvecbvecbxxveccveccxxveca] = [vecavecbvecc]^2

    Text Solution

    |

  9. Let vec(a) = hat(i) + hat(j) + hat(k), vec(b) = 4hat(i) - 2hat(j) + 3h...

    Text Solution

    |

  10. Show that [veca+vecbvecb+veccvecc+veca] = 2[vecavecbvecc]

    Text Solution

    |

  11. If veca+vecb+vecc = vec0, |veca| = 3 , |vecb| = 5 and |vecc| = 7, find...

    Text Solution

    |

  12. The position vectors of the points A, B, C and D are 4hati+3hatj-hatk,...

    Text Solution

    |

  13. If the sum of two unit vectors is a unit vectors find the magnitude of...

    Text Solution

    |

  14. If veca = (2,-2,1), vecb = (2,3,6) and vecc = (-1,0,2), Find the magni...

    Text Solution

    |

  15. Prove the following by vector method. An angle inscribed in a semi-cir...

    Text Solution

    |

  16. If veca, vecb and vecc mutually perpendiculars, show that [veca.(vecbx...

    Text Solution

    |

  17. If hati +hatj+hatk and 2hati -alphahatj+3hatk are orthogonal to each o...

    Text Solution

    |

  18. Find [veca vecb vecc] when veca= hati -2hatj + 3hatk, vecb=2hati+ hatj...

    Text Solution

    |

  19. Find a vectorvecb such that vecaxxvecb=vecc and veca.vecb = 3 where ve...

    Text Solution

    |

  20. Prove by vector method that in a Delta ABC, c^(2) = a^(2) + b^(2) - 2a...

    Text Solution

    |