Home
Class 12
MATHS
If y=(sinx+cos e cx)^2+(cosx+secx)^2 , t...

If `y=(sinx+cos e cx)^2+(cosx+secx)^2` , then the minimum value of `y ,AAx in R ,` 7 (b) 3 (c) 9 (d) 0

A

7

B

8

C

9

D

11

Text Solution

Verified by Experts

The correct Answer is:
c
Promotional Banner

Topper's Solved these Questions

Similar Questions

Explore conceptually related problems

If y=(sinx+cosecx)^2+(cosx+secx)^2 then the minimum value of y,AAx in R , is

Let y=(sin^3x)/(cosx)+(cos^3x)/(sinx) where 0

The minimum value of |x-3|+|x-2|+|x-5| is (A) 3 (B) 7 (C) 5 (D) 9

If f(theta)=(s intheta+cos e ctheta)^2+(costheta+s e ctheta)^2 then minimum value of (theta) is- 7 b. 8 c.9 d. none of these

If 0ltxlt(pi)/(2) , then the minimum value of 2(sinx+cosx+cosec 2x)^3 is

Minimum value of 2^(sinx)+2^(cosx) is

Given that y=(10)/(sinx+sqrt(3)cosx) .Minimum value of y is

If y=e^( sinx ) the value of (dy)/(dx) at x=(pi)/(2) is , (a) 1 , (b) e , (c) 0 ,(d) not defined .

If y=sinx+cosx" then "(d^(2)y)/(dx^(2)) is :-

If (x+y)=3 , x y=2 , then what is the value of x^3+y^3 ? (a) 6 (b) 7 (c) 8 (d) 9 (e) None of these

BANSAL-TEST PAPERS-MATHEMATICS
  1. If the relation between x and y in order that the 20^(th) arithmetic m...

    Text Solution

    |

  2. Find the sum of the value (s) of a so that the equation (x^(2) + 2ax...

    Text Solution

    |

  3. If y=(sinx+cos e cx)^2+(cosx+secx)^2 , then the minimum value of y ,AA...

    Text Solution

    |

  4. 30. Radical centre of circles drawn on the sides as a diameter of tria...

    Text Solution

    |

  5. If a given line is tangent to the circle then perpendicular distance f...

    Text Solution

    |

  6. If a given line is tangent to the circle then perpendicular distance f...

    Text Solution

    |

  7. If 16l^2+9m^2=24lm+6l+8m+1 and the line mx+ly=1 is tangent to circle ...

    Text Solution

    |

  8. The equation 2sin^3theta+(2lambda-3)sin^2theta-(3lambda+2)sintheta-2la...

    Text Solution

    |

  9. If 2cosec theta - cos theta cot theta >= k AA theta in (0,pi), then va...

    Text Solution

    |

  10. The locus of points of intersection of the tangents to x^(2)+y^(2)=a^...

    Text Solution

    |

  11. A line through the origin intersects the parabola 5y=2x^(2)-9x+10 at t...

    Text Solution

    |

  12. Let S be the set of circles x^(2)+y^(2)=r^(2)" for "r=1, 2 and 3 and T...

    Text Solution

    |

  13. In a triangle, ABC, if cos A + cos B + 4 cos C=4," then find the value...

    Text Solution

    |

  14. The locus of the middle points of the focal chords of the parabola, y^...

    Text Solution

    |

  15. The odds against a certain event is 5 : 2 and the odds in favour of an...

    Text Solution

    |

  16. In the Argand plane, the vector z = 4 - 3i is turned in the clockwise ...

    Text Solution

    |

  17. An ellipse and a hyperbola have the same centre as origin, the same fo...

    Text Solution

    |

  18. A man walks a distance of 3 units from the origin towards the North...

    Text Solution

    |

  19. The normal at a point P on the ellipse x^2+4y^2=16 meets the x-axis at...

    Text Solution

    |

  20. India plays two matches each with West Indies and Australia. In any ma...

    Text Solution

    |