Home
Class 11
MATHS
The number of value of 'x' in the interv...

The number of value of 'x' in the interval `[0 , 3pi]` satisfying the equation `2 sin^2 x + 5 sin x - 3 = 0` is

A

1

B

2

C

4

D

6

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • TRIGONOMETRIC EQUATION

    PATHFINDER|Exercise QUESTION BANK|21 Videos

  • TRIGONOMETRIC FUNCTIONS

    PATHFINDER|Exercise QUESTION BANK|68 Videos

Similar Questions

Explore conceptually related problems

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

The number of values of theta in the interval -pile theta le pi satisfying the equation cos theta + sin 2 theta =0 is-

The number of values of x in [0 , 4pi] satisfying abs(sqrt3 cos x - sin x) ge 2 , is

sin x + sin 3x + sin 5x =0

The number of values of yin[-2pi,2pi] satisfying the equation |sin2x|+|cos2x|=|siny| is 3 (b) 4 (c) 5 (d) 6

The number of values of x satisfying the equation sqrt(sin x) - 1/sqrt(sin x) = cos x is

For x in (0, pi) the equation sin x+2 sin 2x-sin 3x=3 has

Find the number of solution of the equation abs(sin x) = sin x + 3 if x in [0 , 2pi]

The values of x_1 between 0 and 2pi , satisfying the equation cos3x+cos2x=sin(3x)/2+sinx/2 are

The set of all x in the interval [0,pi] for which 2sin^2x-3sinx+1geq0 is______

PATHFINDER-TRIGONOMETRIC EQUATION AND INVERSE-QUESTION BANK
  1. Evaluate : sum(n = 1)^infty tan^-1(1/(n^2 + n + 1))

    Text Solution

    |

  2. If tan^-1 x + tan^-1 2x + tan^-1 3x = pi, then:

    Text Solution

    |

  3. The number of value of 'x' in the interval [0 , 3pi] satisfying the eq...

    Text Solution

    |

  4. The most general solution , satisfying the equation cos theta = 1/sqrt...

    Text Solution

    |

  5. The number of solution of 16^(sin^2 x) + 16^(cos^2 x) = 10 : 0 le x le...

    Text Solution

    |

  6. The equation sin^6 x + cos^6 x = k possesses solution if

    Text Solution

    |

  7. If 3^(sin 2x + 2 cos^2 x) + 3^( 1 - sin 2x + 2 sin^2 x) = 28, then tan...

    Text Solution

    |

  8. If sin^-1 x - cos^-1 x = pi/6 then x is

    Text Solution

    |

  9. The value of 'a' for which ax^2 + sin^-1 (x^2 - 2x + 2) + cos^-1 (x^2 ...

    Text Solution

    |

  10. The value of tan (pi/4 + 1/2 cos^-1(2/3))+tan(pi/4 - 1/2 cos^-1 (2/3))...

    Text Solution

    |

  11. The principal value of sin^-1 (-sqrt3/2)+cos^-1 cos((7pi)/6) is

    Text Solution

    |

  12. The value of tan (pi/4 + 1/2 cos^-1(2/3))+tan(pi/4 - 1/2 cos^-1 (2/3))...

    Text Solution

    |

  13. The value of cos^-1 x + cos^-1 {x/2 + sqrt3/2 cdot sqrt(1 - x^2)}, x g...

    Text Solution

    |

  14. Value of cos^-1 sqrt((1 + sqrt(1 + x^2))/(2sqrt(1 + x^2))) , x ge 0 is

    Text Solution

    |

  15. The value of tan^2 (sec^-1 2)+ cot^2(cosec^-1 3) is

    Text Solution

    |

  16. 2 cos^-1 x = sin^-1(2xsqrt(1 - x^2)) is valid for

    Text Solution

    |

  17. If 0 le x le 3pi , 0 le y le 3pi and cos x cdot sin y = 1 , then the p...

    Text Solution

    |

  18. The number of solution of the equation x^3 + x^2 + 4x + 2 sin x = 0 , ...

    Text Solution

    |

  19. The number of values of x in [0 , 4pi] satisfying abs(sqrt3 cos x - si...

    Text Solution

    |

  20. The number of solution (s) of the equation sin^4 x + cos^4 x = sinx co...

    Text Solution

    |