Home
Class 12
MATHS
Let n be a natural number such that n gt...

Let n be a natural number such that `n gt 4 and U_(n) =sin ^(n) x+ cos ^(n)x.` Then which of the following is correct ?

A

`U_(n)=U_(n-1) -U_(n-4) sin ^(2)x cos ^(2)x`

B

`U_(n) =U_(n-2)-U_(n-4) sin ^(2) x cos ^(2)x`

C

`U_(n) =U_(n-1) +U_(n-3) sin x cos x`

D

`U_(n) =U_(n-4) -U_(n-2) sin ^(2) x cos ^(2) x`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • MCQ's

    CHHAYA PUBLICATION|Exercise QUESTION PAPER 7|90 Videos
  • MCQ's

    CHHAYA PUBLICATION|Exercise QUESTION PAPER 8|90 Videos
  • MCQ's

    CHHAYA PUBLICATION|Exercise QUESTION PAPER 3|90 Videos
  • MCQ ZONE 3

    CHHAYA PUBLICATION|Exercise Question Paper 8|30 Videos
  • Measures of Central Tendency

    CHHAYA PUBLICATION|Exercise Exercise 2 C Very short answer type question|18 Videos

Similar Questions

Explore conceptually related problems

In which of the following, m gt n (m,n in R) ?

Let m and N be two 3x3 matrices such that MN=NM. Further if M!=N^2 and M^2=N^4 then which of the following are correct.

Let n be a natural number. Then the range of the function f(n)=^(8-n)P_(n-4), 4lenle6 , is

If n is a natural number then (12 ^(n) + 25 ^(n-1)) is divisible by-

The period of f(x)=[x]+[2x]+[3x]+[4x]+[n x]-(n(n+1))/2x , where n in N , is (where [dot] represents greatest integer function) then which of the following is correct a. n (b) 1 (c) 1/n (d) none of these

The period of f(x)=[x]+[2x]+[3x]+[4x]+[n x]-(n(n+1))/2x , where n in N , is (where [dot] represents greatest integer function) then which of the following is correct a. n (b) 1 (c) 1/n (d) none of these

If n is a natural number, then (4^(n) -3n -1) is always divisible by-

Let n be an odd natural number greater than 1. Then , find the number of zeros at the end of the sum 99^n+1.

sin (n +1) x sin (n +2) x + cos (n +1) x cos (n +2) x = cos x

For what natural numbers n the inequality 2^(n)gt2n+1 is valid ?

CHHAYA PUBLICATION-MCQ's-QUESTION PAPER 5
  1. The maximum value of (4 sin ^(2)x + 3 cos ^(2) x) is-

    Text Solution

    |

  2. If alpha, beta , gamma are angles of a triangle then the value of (sin...

    Text Solution

    |

  3. Let n be a natural number such that n gt 4 and U(n) =sin ^(n) x+ cos ^...

    Text Solution

    |

  4. If x=sin ^(2) theta + cosec ^(2) theta, then which one of the followin...

    Text Solution

    |

  5. The value of sin 47^(@) -sin 25^(@)+sin 61^(@)-sin 11^(@) is-

    Text Solution

    |

  6. If 0 lt theta lt pi/2 and sin 2 theta = cos 3 theta, then the value ...

    Text Solution

    |

  7. If in a DeltaABC, the altituds drawn from the vertices A,B, C on oppos...

    Text Solution

    |

  8. If cos A =3/4 then, the value of sin ""A/2sin ""(5A)/(2) is-

    Text Solution

    |

  9. If tan ""(alpha pi)/(4) =cot ""(beta pi)/(4), then which one of the fo...

    Text Solution

    |

  10. In a triangle ABC, if the sides are a=3, b=5, c=4, thenb the value of...

    Text Solution

    |

  11. The value of tan (7(1)/(2)) ^(@) is-

    Text Solution

    |

  12. If cos (x-y) =-1, then the values of (cos x+ cos y) and (sin x + sin y...

    Text Solution

    |

  13. If in a triangle ABC, b sin B = c sin C, then the triangle is-

    Text Solution

    |

  14. If (tan 3A)/(tan A)=x, then the value of (sin 3A)/(sin A) is-

    Text Solution

    |

  15. The locus of the centre of a circle which touches the circles |z-z(1)|...

    Text Solution

    |

  16. If n is a natural number, then (4^(n) -3n -1) is always divisible by-

    Text Solution

    |

  17. If (1+i) (1+2i) (1+3i) ,…(1+ni) =a+ib then the value of 2xx5 xx10xx…xx...

    Text Solution

    |

  18. How many ways are there to arrange the letters in the word GARDEN with...

    Text Solution

    |

  19. There are n points in a plane of which m points are collinear. How man...

    Text Solution

    |

  20. The value of (""^(n) C(1)+2. ""^(n) C(2)+3. ""^(n)C(3)+…+ n""^(n)C(n))...

    Text Solution

    |