Home
Class 12
MATHS
The solution set of (5+4 cos theta) (2 c...

The solution set of `(5+4 cos theta) (2 cos theta+1) =0` in the interval `0 le theta le pi` is-

A

`{(2pi)/(3),(4pi)/(3)}`

B

`{(pi)/(3),(2pi)/(3)}`

C

`{(pi)/(3), pi}`

D

`{(2pi)/(3),(5pi)/(3)}`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • MCQ's

    CHHAYA PUBLICATION|Exercise QUESTION PAPER 8|90 Videos

  • MCQ's

    CHHAYA PUBLICATION|Exercise QUESTION PAPER 6|90 Videos

  • MCQ's

    CHHAYA PUBLICATION|Exercise QUESTION PAPER 5|89 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

cos3theta + cos2theta = sin ((3theta)/2)+ sin (theta/2), 0 le theta le 2pi

sin theta -2 = cos2theta when 0 le theta le 2pi

sin theta + sin 5 theta = sin 3theta (0 le theta le 2pi)

Solve : cos theta cos 2 theta cos 3 theta =(1)/(4) (0 le theta le pi)

The general solution of cos theta =0 is

If sin theta + cos theta=0 and 0 lt theta lt pi , then theta=

Solve : sin 3theta = cos 3theta (0 < theta < pi)

The number of solutions of the pair of equations 2sin^2 theta - cos(2 theta)=0,2cos^2 theta-3sin theta=0 in the interval [0,2pi] is

If 0^@ < theta < 20^@ and cos^2 6theta - cos 6theta = 0 , then the value of theta is

Prove that sqrt ((1+cos theta )/( 1-cos theta ) ) = cosec theta +cot theta , 0le theta le 90 ^(@)

CHHAYA PUBLICATION-MCQ's-QUESTION PAPER 7
  1. The value of (cosec 2 theta -cot 2 theta) is-

    Text Solution

    |

  2. If x+1/x =2 cos theta, then (x^(3) + (1)/(x^(3)))is equal to-

    Text Solution

    |

  3. The solution set of (5+4 cos theta) (2 cos theta+1) =0 in the interval...

    Text Solution

    |

  4. If sin theta =(24)/(25) and 0^(@) lt theta 90^(@), then the value of s...

    Text Solution

    |

  5. let A, B, C are angles of a triangle and tan ""A/2=1/3,tan ""B/2=2/3, ...

    Text Solution

    |

  6. The period of the function f(x) =sin 2x is-

    Text Solution

    |

  7. If A+B+C=pi, then the value of (tan ""A/2 tan ""B/2+tan ""B/2 tan ""C...

    Text Solution

    |

  8. If 0 le x le (pi)/(2) and 81^(sin ^(2)x)+81^(cos^(2) x)=30, then the v...

    Text Solution

    |

  9. If sin theta =12/13 (0 lt theta lt (pi)/(2)) and cos phi =-3/5 (pi lt ...

    Text Solution

    |

  10. Minimum value of (16 tan ^(2) theta +25 cot ^(2) theta) is-

    Text Solution

    |

  11. The equation a cos theta + b sin theta =c has a solution when a, b anc...

    Text Solution

    |

  12. If sin ^(3) x sin 3x= sum (m=0)^(n) c(m) cos mx is an identity in x, w...

    Text Solution

    |

  13. The value of [cos (270^(@) +theta)cos (90^(@) -theta)-sin (270^(@) -th...

    Text Solution

    |

  14. If a, b, c are the sides of the triangle ABC such that a^(4) +b^(4) +c...

    Text Solution

    |

  15. In a triangle ABC, a =sqrt3 +1, B = 30^(@)and C= 45^(@), then the valu...

    Text Solution

    |

  16. If tan A =1/2 and tan B=1/3, then the value of tan (2A+B) is-

    Text Solution

    |

  17. The value of [cos (A-B) cos (A+B) -sin (A-B) sin (A+B)] is-

    Text Solution

    |

  18. The maximum and minimum values of [4 cos x^(2)cos ((pi)/(3)+ x^(2))cos...

    Text Solution

    |

  19. If positive integers a(1), a(2), a(3),… are ion A.P. such that a(8) +a...

    Text Solution

    |

  20. The number of arrangements of the letters of the word BANANA in which ...

    Text Solution

    |