Home
Class 11
MATHS
Find the minimum value of 2costheta+1/(s...

Find the minimum value of `2costheta+1/(sintheta)+sqrt(2)tanthetain(0,pi/2)` .

Promotional Banner

Topper's Solved these Questions

  • STRAIGHT LINES

    CENGAGE PUBLICATION|Exercise All Questions|486 Videos

Similar Questions

Explore conceptually related problems

The minimum value of costheta+sintheta+2/(sin2theta) for theta in (0,pi/2) is

The minimum value of costheta+sintheta+(2)/(sin2theta) for thetain(0,pi//2) is

Find the maximum and minimum value of 5costheta+12sintheta+12

sintheta - sqrt(3)costheta =1

Maximum value of sintheta + costheta is

Solve sqrt(3)costheta+sintheta=sqrt(2)

If sin^2theta_1+sin^2theta_2+...+sin^2theta_n=0 , then find the minimum value of costheta_1+costheta_2+...+costheta_n .

Solve : sqrt3costheta+sintheta=sqrt2

costheta - sintheta = 1/sqrt(2) (-pi lt theta lt pi)

Find the maximum and minimum values of 3sintheta+4costheta+5

CENGAGE PUBLICATION-TRIGONOMETRIC FUNCTIONS-All Questions
  1. If A=30^0, a=7,and b=8 in A B C , then find the number of triangles t...

    Text Solution

    |

  2. If xa n dy are positive acute angles such that (x+y) and (x-y) satisfy...

    Text Solution

    |

  3. Find the minimum value of 2costheta+1/(sintheta)+sqrt(2)tanthetain(0,p...

    Text Solution

    |

  4. If in triangle ABC, (a=(1+sqrt(3))c m ,b=2c m ,a n d/C=60^0 , then fin...

    Text Solution

    |

  5. Solve sin^4(x/3)+cos^4(x/3)>1/2

    Text Solution

    |

  6. If sin^4alpha+cos^4beta+2=4sinalphacosbeta,0lt=alpha,betalt=pi/2 then ...

    Text Solution

    |

  7. In A B C ,/A=90^0a n dA D is an altitude. Complete the relation (B D)...

    Text Solution

    |

  8. Solve sinx+siny=sin(x+y)a n d|x|+|y|=1

    Text Solution

    |

  9. Find the values of p so that the equation 2cos^2x-(p+3)cosx+2(p-1)=0 h...

    Text Solution

    |

  10. A B C is a triangle, P is a point on A B a n dQ is a point on A C such...

    Text Solution

    |

  11. Solve sinx > -1/2

    Text Solution

    |

  12. Let ABC be a triangle having O and I as its circumcentre and incentre,...

    Text Solution

    |

  13. Which of the following is possible?

    Text Solution

    |

  14. Solve 2cos^2theta+sinthetalt=2, where pi/2lt=thetalt=(3pi)/2dot

    Text Solution

    |

  15. Evaluate the sine of each of the following angles without using a ca...

    Text Solution

    |

  16. Let A B C be a triangle with incenter I and inradius rdot Let D ,E ,a ...

    Text Solution

    |

  17. Prove that the least positive value of x , satisfying tanx=x+1,lies i...

    Text Solution

    |

  18. Find the reference angles corresponding to each of the following ang...

    Text Solution

    |

  19. If Delta is the area of a triangle with side lengths a, b, c, then s...

    Text Solution

    |

  20. Suppose the point with coordinates (-12, 5) is on the terminal side of...

    Text Solution

    |