Home
Class 12
MATHS
Minimum value of 4x^2-4x|sinx|-cos^2 th...

Minimum value of `4x^2-4x|sinx|-cos^2 theta` is equal

A

`-2`

B

`-1`

C

`-(1)/(2)`

D

0

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • TRIGONOMETRIC FUNCTIONS AND IDENTITIES

    ARIHANT MATHS|Exercise Exercise (More Than One Correct Option Type Questions)|21 Videos

  • TRIGONOMETRIC FUNCTIONS AND IDENTITIES

    ARIHANT MATHS|Exercise Exercise (Statement I And Ii Type Questions)|11 Videos

  • TRIGONOMETRIC FUNCTIONS AND IDENTITIES

    ARIHANT MATHS|Exercise Exercise For Session 11|10 Videos

  • TRIGONOMETRIC EQUATIONS AND INEQUATIONS

    ARIHANT MATHS|Exercise Exercise (Questions Asked In Previous 13 Years Exam)|12 Videos

  • VECTOR ALGEBRA

    ARIHANT MATHS|Exercise Exercise (Questions Asked In Previous 13 Years Exam)|9 Videos

Similar Questions

Explore conceptually related problems

Minimum value of 4x^(2)-4x|sin x|-cos^(2)theta is equal

Minimum value of sec^(2)theta+4cos ec^(2)theta is

Minimum value of sec^(2)theta+4cos ec^(2)theta is

The minimum value of 8(cos2 theta+cos theta) is equal to

Minimum value of of f (x)=2x^(2)-4x+5is

The minimum value of sin^2 theta + cos^4 theta is

If a sin x+b cos(x+theta)+b cos(x-theta)=d then the minimum value of |cos theta| is equal to

If a sin x+b cos(x+theta)+b cos(x-theta)=d then the minimum value of |cos theta| is equal to (a) (1)/(2|b|)sqrt(d^(2)-a^(2))( b )(1)/(2|a|)sqrt(d^(2)-a^(2))(c)(1)/(2|d|)sqrt(d^(2)-a^(2))(d) none of these

ARIHANT MATHS-TRIGONOMETRIC FUNCTIONS AND IDENTITIES-Exercise (Single Option Correct Type Questions)
  1. A circle is inscribed inside a regular pentagon and another circle is ...

    Text Solution

    |

  2. The value of sum(r=1)^(18) cos^(2)(5r)^(@), where x^(@) denotes the x ...

    Text Solution

    |

  3. Minimum value of 4x^2-4x|sinx|-cos^2 theta is equal

    Text Solution

    |

  4. In a triangle ABC, cos 3A + cos 3B + cos 3C = 1, then find any one ang...

    Text Solution

    |

  5. (sqrt(1+sin 2A)+sqrt(1-sin 2A) )/(sqrt(1 + sin 2A)-sqrt(1-sin2A)) If |...

    Text Solution

    |

  6. For any the real thetathe maximum value ofcos^2(costheta)+sin^2(sinthe...

    Text Solution

    |

  7. Find the ragne of the expression 27^(cos 2x) 81^(sin 2x)

    Text Solution

    |

  8. ABCD is a trapezium such that AB and CD are parallel and BC bot CD. If...

    Text Solution

    |

  9. If 4nalpha =pi then cot alpha cot 2 alpha cot 3alpha ...cot (2n-1)alph...

    Text Solution

    |

  10. In DeltaABC, if (Sin A + SinB + SinC) (SinA + SinB - SinC) = 3SinA Sin...

    Text Solution

    |

  11. If alpha, beta, gamma are acute angles and cos theta = sin beta//sin a...

    Text Solution

    |

  12. if tanbeta=(nsinalphacosbeta)/(1-nsin^2alpha) then prove that tan(alph...

    Text Solution

    |

  13. If (cos theta)/(a)=(sintheta)/(b), then (a)/(sec 2 theta)+(b)/(cosec 2...

    Text Solution

    |

  14. The graph of the function, cos x cos (x +2) -cos^2 (x+1) is

    Text Solution

    |

  15. If f (theta) = |sin theta| + |cos theta|, theta in R, then

    Text Solution

    |

  16. If P=cos(cos x)+sin (cos x), then the least and greatest value of P re...

    Text Solution

    |

  17. If un=sin(n theta) sec^n theta,vn=cos(ntheta)sec^ntheta n in N n!=1 t...

    Text Solution

    |

  18. If 0lt=xlt=pi/3 then range of f(x)=sec(pi/6-x)+sec(pi/6+x) is (4/(sqrt...

    Text Solution

    |

  19. If A=sin^(8) theta + cos^(14) theta, then for all values of theta,

    Text Solution

    |

  20. Find the value of the expression 3[sin^(4)((3pi)/(2)-alpha)+sin^(4)(...

    Text Solution

    |