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

  • MATRICES DETERMINANTS PROBABILITY

    USHA PUBLICATION|Exercise EXERCISE|59 Videos
  • PRACTICE PAPER

    USHA PUBLICATION|Exercise PRACTICE PAPER|95 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+hatk .

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

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 .

USHA PUBLICATION-MODEL QUESTION SET-MODEL QUESTION SET
  1. What is the value of int(d)/(dx)f(x)dx-(d)/(dx)intf(x)dx?

    Text Solution

    |

  2. IF [{:(3,5,3),(2,4,2),(lamda,7,6):}] is a singular matrix, then write ...

    Text Solution

    |

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

    Text Solution

    |

  4. Write a logarithmic functions which is differentiable atevery point in...

    Text Solution

    |

  5. Write the equation of the tangent to the curve y=sqrt x at the point (...

    Text Solution

    |

  6. Solve:Sin^-1x+sin^-1(1-x)=cos^1x

    Text Solution

    |

  7. Find the following congruence classes as a set [1]3,

    Text Solution

    |

  8. Find the following congruence classes as a set [3]7

    Text Solution

    |

  9. Find the least positive integer r such that 114 in[r]7

    Text Solution

    |

  10. Find the least positive integer r such that 506 in[r]5

    Text Solution

    |

  11. Solve graphically: Maximize Z=3x+ 5y Subject to x+yle1,xge0,yge0

    Text Solution

    |

  12. Express the value of "sin"^(-1)1/sqrt5 +"cos"(-1) 3/sqrt(10) in simple...

    Text Solution

    |

  13. If f:XtoY and g:YtoZ be two bijective functions, then prove that (gof)...

    Text Solution

    |

  14. Show that x=2 is a root of [[x,-6,-1],[2,-3x,x-3],[-3,2x,x+2]]=0 S...

    Text Solution

    |

  15. Find A if A^(-1)=[(3,-5),(-1,2)]

    Text Solution

    |

  16. If A=[{:(1,-2,2),(3,1,-1):}]andB=[{:(2,4),(1,2),(3,-1):}] , then veri...

    Text Solution

    |

  17. Find B if B^(2)=[{:(17,8),(8,17):}]

    Text Solution

    |

  18. Prove that:|[1, a ,a^2],[a^2, 1 ,a],[a, a^2, 1]| is a perfect square.

    Text Solution

    |

  19. If ysqrt(x^2 +1) = log{sqrt(x^2 +1)- x} then prove that (x^2 +1) dy/dx...

    Text Solution

    |

  20. If y=tan^(-1)(cosx/(1+sinx)),then prove that dy/dx=-1

    Text Solution

    |