Home
Class 11
MATHS
Let S = { theta in [-2pi,2pi]:2 cos^(2)...

Let `S = { theta in [-2pi,2pi]:2 cos^(2) theta + 3 sin theta = 0}`, then the sum of the equations elements of S is .

A

`(13pi)/6`

B

`pi`

C

`2pi`

D

`(5pi)/3`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • BASIC MATHS,LOGARITHIM, TRIGNOMETRIC RATIO AND IDENTITIES AND TRIGNOMETRIC EQUATION

    ALLEN|Exercise EXERCISE (S-1)|44 Videos
  • BASIC MATHS,LOGARITHIM, TRIGNOMETRIC RATIO AND IDENTITIES AND TRIGNOMETRIC EQUATION

    ALLEN|Exercise EXERCISE (JA)|16 Videos
  • BASIC MATHS LOGARITHIM TRIGNOMETRIC RATIO AND IDENTITIES AND TRIGNOMETRIC EQUATION

    ALLEN|Exercise ILLUSTRATIONS|39 Videos
  • SOLUTION AND PROPERTIES OF TRIANGLE

    ALLEN|Exercise All Questions|62 Videos

Similar Questions

Explore conceptually related problems

Let S={theta in[-2 pi,2 pi]:2cos^(2)theta+3sin theta=0} ,then the sum of elements of S is approximately equal to

let theta in[-2 pi,2 pi] and 2cos^(2)theta+3sin theta=0 then sum of all solution is

Let A={theta in (-pi /2,pi):(3+2i sin theta )/(1-2 isin theta ) is purely imaginary } Then the sum of the elements in A is

Find theta in [pi/2, 3pi/2] satisfying 2cos^(2)theta +sin theta le 2 .

If 0

int _(0) ^(pi) sin ^(2) theta cos theta d theta

If tan((pi)/(2) sin theta )= cot((pi)/(2) cos theta ) , then sin theta + cos theta is equal to

ALLEN-BASIC MATHS,LOGARITHIM, TRIGNOMETRIC RATIO AND IDENTITIES AND TRIGNOMETRIC EQUATION -EXERCISE (JM)
  1. If 5(tan^2x - cos^2x)=2cos 2x + 9, then the value of cos4x is

    Text Solution

    |

  2. 3(sintheta-costheta)^(4)+6(sintheta+costheta)^(2)+4(sin^(6)theta+cos^(...

    Text Solution

    |

  3. The value of cos(pi/2^(2)).cos(pi/2^(3))……….cos(pi/2^(10)).sin(pi/2^(1...

    Text Solution

    |

  4. Let fk(x) = 1/k(sin^k x + cos^k x) where x in RR and k gt= 1. Then f4(...

    Text Solution

    |

  5. The maximum values of 3 costheta+5sin(theta-(pi)/(6)) for any real val...

    Text Solution

    |

  6. If cos(alpha+beta)=3/5, sin(alpha-beta)=5/13, and 0 lt alpha, beta lt ...

    Text Solution

    |

  7. The value of cos^2 10^0-cos10^0cos50^0+cos^2 50^0 is equal to 4/3 (b)...

    Text Solution

    |

  8. The value of sin 10.sin 30. sin 50.sin 70 is

    Text Solution

    |

  9. If 0 <= x < 2pi, then the number of real values of x, which satisfy th...

    Text Solution

    |

  10. If the sum of all the solutions of the equation 8 cosx.(cos(pi/6+x)cos...

    Text Solution

    |

  11. If 0lexltpi/2, then the number of values of x for which sinx-sin2x+sin...

    Text Solution

    |

  12. The sum of all values of theta in (0,pi/2) satisfying sin^(2)2theta+co...

    Text Solution

    |

  13. Let S = { theta in [-2pi,2pi]:2 cos^(2) theta + 3 sin theta = 0}, the...

    Text Solution

    |

  14. All the pair (x,y) that satisfy the inequality 2^(sqrt(sinx-2sinx+5))....

    Text Solution

    |

  15. The number of solutions of the equation 1 +sin^(4) x = cos ^(2) 3x, ...

    Text Solution

    |

  16. Let S be the set of all alpha in R such that the equation, cos 2x + a...

    Text Solution

    |