Home
Class 12
MATHS
The minimum value of (sintheta+c o s e ...

The minimum value of `(sintheta+c o s e ctheta)^2+(costheta+sectheta)^2=`

Text Solution

Verified by Experts

The correct Answer is:
9
Promotional Banner

Topper's Solved these Questions

  • COMPOUND ANGLES

    VIKAS GUPTA (BLACK BOOK)|Exercise Exercise-4 : Matching Type Problems|2 Videos

  • COMPLEX NUMBERS

    VIKAS GUPTA (BLACK BOOK)|Exercise EXERCISE-5 : SUBJECTIVE TYPE PROBLEMS|8 Videos

  • CONTINUITY, DIFFERENTIABILITY AND DIFFERENTIATION

    VIKAS GUPTA (BLACK BOOK)|Exercise EXERCISE (SUBJECTIVE TYPE PROBLEMS)|23 Videos

Similar Questions

Explore conceptually related problems

Find the minimum value of (sintheta+cosectheta)^(2)+(costheta+sectheta)^(2)

Prove that (sintheta+cosectheta)^2+(costheta+sectheta)^2ge9 .

The minimum value of (1)/(3sintheta-4costheta+7), is

If theta epsilon (0, pi/2) then the value of |((sintheta+cosectheta)^2, (sintheta- cosectheta)^2,1 ),((costheta+sectheta)^2, (costheta-sectheta)^2, 1),((tantheta+cottheta)^2, (tantheta-cottheta)^2, 1)|= (A) sintheta+costhetas+tantheta (B) 1 (C) 0 (D) 4

Simplify (sintheta+sectheta)^(2)+(costheta+cosectheta)^(2) .

If cottheta=(12)/(5) ,then find the value of sintheta*sectheta+costheta*"cosec"theta .

If tan theta = 1 , find tha value of (sintheta + costheta)/(sectheta + cosectheta) .

Evaluate : ( Sintheta - Costheta )^2 + ( Sintheta + Costheta )^2 = ?

If tantheta=4/3 then find the value of (sintheta+costheta)/(sintheta-costheta)

If 5 cos theta-12sintheta=0, the value of overset(2sintheta+costheta) (costheta-sintheta) is:

VIKAS GUPTA (BLACK BOOK)-COMPOUND ANGLES-Exercise-5 : Subjective Type Problems
  1. If sin^(3)theta+sin^(3)(theta+(2pi)/(3))+sin^(3)(theta+(4pi)/(3))=a s...

    Text Solution

    |

  2. If sum(r=1)^(n)((tan 2^(r-1))/(cos2^(r )))=tanp^(n)-tan q, then find t...

    Text Solution

    |

  3. If x=sec theta-tan theta and y="cosec"theta+cot theta," then " y-x-xy...

    Text Solution

    |

  4. If cos18^(@)-sin18^(@)=sqrt(n)sin27^(@), then n=

    Text Solution

    |

  5. The value of 3(sin1-cos1)^(4)+6(sin1+cos1)^(2)+4(sin^(6)1+cos^(6)1) i...

    Text Solution

    |

  6. Q. x=a satisfy the equation 3^(sin 2x+2 cos^2 x)+3^(1-sin 2x+2 sin^ 2x...

    Text Solution

    |

  7. The minimum value of (sintheta+c o s e ctheta)^2+(costheta+sectheta)^...

    Text Solution

    |

  8. If tan20^0+tan40^0+tan80^0-tan60^0= lambdasin40^0,

    Text Solution

    |

  9. If K^(@) lies between 360^(@) and 540^(@) and K^(@) satisfies the equa...

    Text Solution

    |

  10. If cos20^(@)+2sin^(2)55^(@)=1+sqrt(2)sinK^(@), K in (0, 90)," then "K=

    Text Solution

    |

  11. If the value of cos((2pi)/7) + cos((4pi)/7)+cos((6pi)/7)+cos((7pi/7))=...

    Text Solution

    |

  12. Let alpha be the smallest integral value of x, x>0 such that tan 19x=(...

    Text Solution

    |

  13. Find the value of the expression (sin20^@(4cos20^@+1))/(cos20^@cos30^@...

    Text Solution

    |

  14. If the value of cos((2pi)/7) + cos((4pi)/7)+cos((6pi)/7)+cos((7pi/7))=...

    Text Solution

    |

  15. If cosA=(3)/(4) and k sin ((A)/(2))sin((5A)/(2))=(11)/(8). Find k.

    Text Solution

    |

  16. Find the least value of the expression 3sin^(2)x+4 cos^(2)x.

    Text Solution

    |

  17. Q. If tan alpha and tan beta are the roots of equation x^2-12x-3=0, th...

    Text Solution

    |

  18. The value of cos24^0/(2tan33^0sin^2(57^0))+sin162^0/(sin18^0-cos18^0ta...

    Text Solution

    |

  19. Find the value of tantheta(1+sec2theta)(1+sec4theta)(1+sec8theta), whe...

    Text Solution

    |

  20. If lambda be the minimum value of y= (sinx+"cosec"x)^(2)+(cosx+secx)^...

    Text Solution

    |