Home
Class 11
MATHS
Minimum value of4x^2-4x abs(sintheta)-co...

Minimum value of`4x^2-4x abs(sintheta)-cos^2theta` is equal to

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

    PATHFINDER|Exercise QUESTION BANK|68 Videos

  • TRIGONOMETRIC RATIOS OF COMPOUND ANGLES

    PATHFINDER|Exercise QUESTIONBANK|25 Videos

Similar Questions

Explore conceptually related problems

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

Find the minimum value of sec^2theta +cos^2theta

The least value of 3sin^2theta+4cos^2theta is

Find the minimum value of cos^4 theta+sin^2 theta .

Find the maximum and minimum value of cos^2theta -6 sin theta .cos theta +3sin^2theta +2

Find the minimum value of cos^2theta +sec^2theta .

Find the minimum value of Cos^2theta+sec^2theta

The minimum value of a tan^2x+bcot^2x equals the maximum value of a sin^2theta+bcos^2theta where agtbgt0, then a equals to

If sintheta_1sintheta_2-costheta_1costheta_2+1=0, then the value of tan((theta_1)/2)cot((theta_2)/2) is equal to

PATHFINDER-TRIGONOMETRIC RATIOS AND IDENTITIES-QUESTION BANK
  1. If in a triangle ABC ,(sin A+sin B +sin C)(sinA+sinB-sin C)=3sinAsinB ...

    Text Solution

    |

  2. Let n be a fixed positive integer such that sin(pi/(2n))+cos(pi/(2n))=...

    Text Solution

    |

  3. Minimum value of4x^2-4x abs(sintheta)-cos^2theta is equal to

    Text Solution

    |

  4. The maximum value of the expression abs(sqrt((sin^2x+2a^2))-sqrt((2a^2...

    Text Solution

    |

  5. For 0ltthetaltpi/2 the solution of underset (m=1)overset6sumcosec(thet...

    Text Solution

    |

  6. If tanalpha and tanbeta be the roots of the equation (x^2+px+q=0) then...

    Text Solution

    |

  7. If tan9theta=3/4(where0ltthetaltpi/18)then the value of (3cosec 3theta...

    Text Solution

    |

  8. If A,B,C are interior angles of a triangle ABC such that (cosA+cosB+co...

    Text Solution

    |

  9. If tantheta+sectheta=e^x then costheta equals

    Text Solution

    |

  10. If lambda be the minimum value of , y=(sinx+cosecx)^2+(cosx+secx)^2+(t...

    Text Solution

    |

  11. If (sqrt2cosx+sqrt2sinx+sqrt7)m=1 holds then

    Text Solution

    |

  12. if costheta1+costheta2+costheta3=3then sin^2theta1+sin^4theta2+sin^6th...

    Text Solution

    |

  13. If sintheta+cosectheta=2 then sin^ntheta+cosec^ntheta=

    Text Solution

    |

  14. If tan(alpha/2) and tan(beta/2) are the roots of the equation 8x^2-26x...

    Text Solution

    |

  15. 4sin^2x +4cos^2xgek then k is

    Text Solution

    |

  16. If sin A,cos A and tan A are in G.P. then cos^3A+cos^2A is equal to

    Text Solution

    |

  17. If x+1/x=2costheta then x^3+1/x^3=

    Text Solution

    |

  18. If A=sin^2theta+cos^4theta then for all real values of theta

    Text Solution

    |

  19. If sin A,cosA and tan A are in G.P. then cot^6A-cot^2A is equal to

    Text Solution

    |

  20. The sign of the product (sin2)(sin3)(sin 5) is

    Text Solution

    |