Home
Class 12
MATHS
If 2cos^2(pi+x)+3 sin(pi+x) vanishes the...

If `2cos^2(pi+x)+3 sin(pi+x)` vanishes then the values of x lying in the interval from 0 to `2pi` are

A

`x=pi//6or5pi//6`

B

`x=pi//3or5pi//3`

C

`x=pi//4or5pi//4`

D

`x=pi//2 or5pi//2`

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • DEFINITE INTEGRATION & ITS APPLICATION

    RESONANCE|Exercise High Level Problem|37 Videos

  • EQUATIONS

    RESONANCE|Exercise EXERCISE-2 (PART-II: PREVIOUSLY ASKED QUESTION OF RMO) |7 Videos

Similar Questions

Explore conceptually related problems

If 2cos^(2)(pi+x)+3sin(pi+x) vanishes then the values of x lying in the interval from 0 to 2 pi are

If log_(cos x)sin x>=2 and x in[0,3 pi] then sin x lies in the interval

If sin(x-y)-cos(x+y)=(1)/(2) then the values of x&y lying between 0 and pi are given by

If 2sin^(2)x+3sin x+1=0 then the sum of all the values of x lying in [0,2 pi] is (k pi)/(2) where k is

Number of solutions of the equation tan x+sec x=2cos x lying in the interval [0,2 pi] is

If 2sin^(2)x+3sin x+1=0 then the sum of all the values of x lying in [0,2 pi] is (k pi)/(2) where k=

If cos2x>|sin x| and x in(-(pi)/(2),pi) then x

f(x)={x+sqrt(2)a sin x,0

The maximum value of f(x) =2 sin x + sin 2x , in the interval [0, (3)/(2)pi] is

RESONANCE-DPP-QUESTION
  1. The roots alpha and beta of a quadratic equation are the square of two...

    Text Solution

    |

  2. The number of values of x in the interval [0, 5pi] satisfying the equa...

    Text Solution

    |

  3. If 2cos^2(pi+x)+3 sin(pi+x) vanishes then the values of x lying in the...

    Text Solution

    |

  4. ax^2+2bx-3c=0 has no real root and a+bgt3c/4 then

    Text Solution

    |

  5. The value of the expression ((sin3theta)/sin theta)^2-((cos3theta)/cos...

    Text Solution

    |

  6. Find the smallest positive integral value of a for which the greater r...

    Text Solution

    |

  7. The set of values of 'c' for which the equation x^(2)-4x-c-sqrt(8x^(2)...

    Text Solution

    |

  8. Let the equations x^(3)+2x^(2)+px+q=0and x^(3)+x^(2)+px+r=0 have two t...

    Text Solution

    |

  9. If lta(n)gtandltb(n)gt be two sequences given by a(n)=(x)^((1)/(2^(n))...

    Text Solution

    |

  10. Sum of all the solutions of the equation : tan^2 33x = cos2x - 1 which...

    Text Solution

    |

  11. Consider the cubic equation x^3-x^2+(x-x^2) sin theta +(x-x^2) cos the...

    Text Solution

    |

  12. Consider the equation, sin^4 x-cos^2 x sin x + 2 sina^2 x + sin x = 0 ...

    Text Solution

    |

  13. If sintheta+sinphi=aand costheta+cosphi =b, then

    Text Solution

    |

  14. If sin theta+cos theta=1/5and 0ltthetalt2pi,then tan thetais

    Text Solution

    |

  15. lf sin(x-y)-cos(x + y) = 1/2 then the values of x & y lying between...

    Text Solution

    |

  16. If tan x + tan 2x + tan 3x = 0 then which of the following can hold go...

    Text Solution

    |

  17. Along a road lies an odd number of stones placed at intervals of 10m. ...

    Text Solution

    |

  18. First, second and sevents terms of an A.P. (all the terms are distinct...

    Text Solution

    |

  19. If the sum of the first 2n terms of the A.P.2,5,8,…, is equal to the s...

    Text Solution

    |

  20. The sum of integers from 1 to 100 that are divisible by 2 or 5 is

    Text Solution

    |