Home
Class 12
MATHS
The number of values of x in the interva...

The number of values of x in the interval `[0, 3pi]` satisfying the equatioin `2sin^(2)x+5sinx-3=0` is

A

2

B

4

C

6

D

1

Text Solution

Verified by Experts

The correct Answer is:
b
Promotional Banner

Topper's Solved these Questions

  • TRIGONOMETRICAL IDENTITIES AND EQUATIONS

    MCGROW HILL PUBLICATION|Exercise SOLVED EXAMPLES (LEVEL 2 Single Correct Answer Type Questions) |32 Videos
  • TRIGONOMETRICAL IDENTITIES AND EQUATIONS

    MCGROW HILL PUBLICATION|Exercise SOLVED EXAMPLES (Numerical Answer Type Questions) |26 Videos
  • TRIGONOMETRICAL IDENTITIES AND EQUATIONS

    MCGROW HILL PUBLICATION|Exercise Questions from Previous Years. B-Architecture Entrance Examination Papers|20 Videos
  • THE DIMENSIONAL GEOMETRY

    MCGROW HILL PUBLICATION|Exercise QUESTIONS FROM PREVIOUS YEARS. B-ARCHITECTURE ENTRANCE EXAMINATION PAPERS|25 Videos
  • VECTOR ALGEBRA

    MCGROW HILL PUBLICATION|Exercise QUESTIONS FROM PREVIOUS YEARS. B-ARCHITECTURE ENTRANCE EXAMINATION PAPERS|20 Videos

Similar Questions

Explore conceptually related problems

The number of values of x in the interval [0,3 pi] satisfying the equation 2sin^(2)x+5sin x-3=0 is

Number of values of x in the interval [0, 3pi] satisfying the equation 2 sin^(2)x + 5 sin x - 3 = 0 is

The number of values of x in the interval [0, 3pi] satisfying the equation 3sin^(2)x-7sinx+2=0 is

The number of values of x in the in interval [0,5 pi] satisfying the equation 3sin^(2)x-7sin x+2=0 is 0(b)5(c)6(d)10

The number of values of x in the interval [0,5pi] satisfying the equation 3sin^2x-7sinx+2=0 is

MCGROW HILL PUBLICATION-TRIGONOMETRICAL IDENTITIES AND EQUATIONS -SOLVED EXAMPLES (LEVEL 1 Single Correct Answer Type Questions)
  1. Let theta in (pi//4,pi//2), which of the following statement is true?

    Text Solution

    |

  2. If a cos A-b sinA=c, then a sinA+b cosA is equal to

    Text Solution

    |

  3. The general solution of the trigonometrical equation sin x +cosx=1 is

    Text Solution

    |

  4. The values of x been 0 and 2pi which satisfy the equation sin x sqrt(8...

    Text Solution

    |

  5. 16[tan 2 theta+sin2 theta]+8=0 if

    Text Solution

    |

  6. The numbers of solutions of the pair of equations 2sin^(2) theta-cos...

    Text Solution

    |

  7. The solution set of the equation tan(pi tan x=cot (pi cot x) is

    Text Solution

    |

  8. The least positive root of the function sin x -pi//2+1=0 lies in the i...

    Text Solution

    |

  9. The number of solution of the equation cos (pi sqrt(x-4)) cos (pi sq...

    Text Solution

    |

  10. The number of values of x in the interval [0, 3pi] satisfying the equa...

    Text Solution

    |

  11. If A, B, C are the angles of a trinagle and cosB+cosC=4sin^(2)(A//2),...

    Text Solution

    |

  12. If 15sin^(4)x +10cos^(4)x =6, Then tan^(2)x=

    Text Solution

    |

  13. Sum of the root of the equation 2sin^(2)theta +sin^(2)2 theta =2, 0...

    Text Solution

    |

  14. If tan x//2="cosec"x-sinx, then sec^(2)(x//2)=

    Text Solution

    |

  15. Let A and B denote the statements A: cos alpha + cos beta + cos gamm...

    Text Solution

    |

  16. cos^(2)u+cos^(2)(u+x)-2cos u cos x cos(u+x)=1//2 if

    Text Solution

    |

  17. For a regular polygon, let r, R be the radii of the inscribed and circ...

    Text Solution

    |

  18. If cos(alpha+beta)=4//5 and sin(alpha-beta)=5//13 where 0 le alpha, be...

    Text Solution

    |

  19. The possible values of theta in (0, pi) such that sin(theta)+sin(4thet...

    Text Solution

    |

  20. In a Delta PQR, if 3sinP+4cos Q=6 and 4sin +3cosP=1, Then the angle R...

    Text Solution

    |