Home
Class 12
MATHS
If cos2theta=0, then |{:(0,costheta,sint...

If `cos2theta=0`, then `|{:(0,costheta,sintheta),(costheta,sintheta,0),(sintheta,0,costheta):}|=`...............

Text Solution

Verified by Experts

The correct Answer is:
`(1)/(2)`
Promotional Banner

Topper's Solved these Questions

  • DETERMINANTS

    ACCURATE PUBLICATION|Exercise Type-III (True or False questions)|25 Videos

  • DETERMINANTS

    ACCURATE PUBLICATION|Exercise (Question carrying 2 marks)|21 Videos

  • DETERMINANTS

    ACCURATE PUBLICATION|Exercise Type-I (Multiple choice questions)|47 Videos

  • DEFINITE INTEGRALS

    ACCURATE PUBLICATION|Exercise QUESTION CARRYING 4 MARKS|8 Videos

  • DIFFERENTAL QUATIONS

    ACCURATE PUBLICATION|Exercise QUESTIONS CARRYING 4 MARKS|41 Videos

Similar Questions

Explore conceptually related problems

Fill in the blanks : If cos 2 theta = 0, then |(0, costheta, sintheta),(costheta, sintheta, 0),(sin theta, 0, costheta)|^2 =……….

(1+costheta+sintheta)/(1+costheta-sintheta)=(1+sintheta)/costheta .

Evaluate |(2costheta,-2sintheta),(sintheta,costheta)|

If 3 cos theta-4sintheta=2costheta+sintheta find tantheta .

Prove that sintheta(cosectheta-sintheta)=cos^2theta .

If A = [(sintheta ,- costheta), (costheta, sintheta)] and B = [(costheta , sin theta),(-sintheta, cos theta)] . Compute (sin theta) A + (cos theta) B.

Prove that (1/costheta-costheta)(1/sintheta-sintheta)=1/(tantheta+cottheta) .

Find the inverse of the matrix : A = [(costheta,sintheta),(-sintheta,costheta)]

Write the inverse of the matrix: {:[(costheta, sintheta),(-sintheta,costheta)]

Write the inverse of the matrix: {:[(costheta, -sintheta),(sintheta,costheta)]

ACCURATE PUBLICATION-DETERMINANTS-Type-II (Fill in the blanks questions)
  1. If area of a triangle is 4 sq. units with vertices (k,0), (4,0) and (0...

    Text Solution

    |

  2. A is a square matrix of order 3 and |A|=7, then the value of |adjA| is...

    Text Solution

    |

  3. If A is non-singular matrix of order 3 and |A|=7 then |adjA| equals………...

    Text Solution

    |

  4. If |A|=2, where A is a 2xx2 matrix, then |adjA| is …………

    Text Solution

    |

  5. If A=[{:(3,2),(1,7):}], then A(adjA) equals……..

    Text Solution

    |

  6. If A=[{:(3,2),(1,9):}], then A(adjA) equals……..

    Text Solution

    |

  7. Select the Correct Option If A is an invertible matrix of order 2, the...

    Text Solution

    |

  8. If x. y, z are non- real number", then the inverse of matrix A = [[x,0...

    Text Solution

    |

  9. If A,B,C are the angles of a triangle, then Delta=|{:(sin^(2)A, cotA...

    Text Solution

    |

  10. The determinant Delta=|{:(sqrt(23)+sqrt(3),sqrt(5),sqrt(5)),(sqrt(15)+...

    Text Solution

    |

  11. The value of the determinant Delta=|{:(sin^(2)23^(@)sin^(2)67^(@)cos18...

    Text Solution

    |

  12. If A is matrix of order 3xx3, then |3A|=……….

    Text Solution

    |

  13. If A is invertible matrix of order 3xx3, then |A^(-1)|……….

    Text Solution

    |

  14. If x,y,z epsilon R, then the value of determinant |{:((2^(x)+2^(-x))^(...

    Text Solution

    |

  15. If cos2theta=0, then |{:(0,costheta,sintheta),(costheta,sintheta,0),(s...

    Text Solution

    |

  16. If A is matrix of order 3xx3, then (A^(2))^(-1)=…….

    Text Solution

    |

  17. The sum of the products of elements of any row with the co-factors of ...

    Text Solution

    |

  18. If x=-9 is root of |{:(x,3,7),(2,x,2),(7,6,x):}|=0, then other two roo...

    Text Solution

    |

  19. |{:(0,xyz,x-z),(y-x,0,y-z),(z-x,z-y,0):}|=……………

    Text Solution

    |

  20. If f(x)= |{:((1+x)^(17),(1+x)^(19),(1+x)^(23)),((1+x)^(23),(1+x)^(29),...

    Text Solution

    |