Home
Class 12
MATHS
cot 22(1^(@))/( 2)...

`cot 22(1^(@))/( 2)`

A

`1+ ( 1)/( sqrt(2))`

B

`1+ sqrt( 2)`

C

`sqrt( 2) - 1`

D

none

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • TRIGONOMETRY RATIOS AND IDENTITIES

    ML KHANNA|Exercise PROBLEM SET (4) TRUE AND FALSE|5 Videos
  • TRIGONOMETRY RATIOS AND IDENTITIES

    ML KHANNA|Exercise PROBLEM SET (4) FILL IN THE BLANKS|10 Videos
  • TRIGONOMETRY RATIOS AND IDENTITIES

    ML KHANNA|Exercise PROBLEM SET (3) (FILL IN THE BLANKS)|2 Videos
  • TRIGONOMETRICAL EQUATIONS

    ML KHANNA|Exercise SELF ASSESSMENT TEST |27 Videos

Similar Questions

Explore conceptually related problems

What is the value of (sin22(1^(@))/(2)+cos22(1^(@))/(2)) ?

If A=sin15^(0)+cos15^(@),B=tan15^(@)+cot15^(@),C=tan22(1^(@))/(2)-cot22(1^(@))/(2) thenthe descending order is

A quadratic equation whose roots are tan22(1)/(2^(@)) and cot22(1)/(2^(@)) is

Find the value of (1-tan^(2)22(1^(@))/(2))/(1+tan^(2)22(1^(@))/(2)) .

The value of cot22(1)/(2)-tan22(1)/(2) is

prove that cot22(1)/(2)=sqrt(2)+1

The numerical value of cot 18^(@) (cot 72^(@) cos^(2) 22^(@) + (1)/(tan 72^(@) sec^(2) 68^(@))) is

If (1-cot 1^(@))*(1-cot2^(@))*(1-cot3^(@))...(1-cot44^(@))=2^(n) , then (n)/(11) is equal to

(1 - cot^(2)45^(@))/(1 + cot^(2)45^(@)) =

(cot^(2)15^(@)-1)/(cot^(2)15^(@)+1)=?

ML KHANNA-TRIGONOMETRY RATIOS AND IDENTITIES-PROBLEM SET (4) ( MULTIPLE CHOICE QUESTIONS)
  1. sin 78^(@) - sin 66^(@) - sin 42^(@) + sin 6^(@) =

    Text Solution

    |

  2. cot 7 ( 1^(@))/( 2) =

    Text Solution

    |

  3. cot 22(1^(@))/( 2)

    Text Solution

    |

  4. If tan theta = a//b, then b cos 2 theta + a sin 2 theta =

    Text Solution

    |

  5. If sin alpha = 12//13 , ( 0 lt alpha lt pi //2) and cos beta = - ( 3)...

    Text Solution

    |

  6. If tan theta =a - ( 1)/( 4a) , then sec theta - tan theta=

    Text Solution

    |

  7. If theta and phi are angles in the first quadrant such that tan theta ...

    Text Solution

    |

  8. The vlaue of tan 81^(@) - tan 63^(@) - tan 27^(@)+ tan 9^(@) is equ...

    Text Solution

    |

  9. Find the angle theta whose cosine is equal to its tangent.

    Text Solution

    |

  10. Prove that: t a nA+tan(60^0+A)-t a n(60^0-A)=3t a n3A

    Text Solution

    |

  11. If tan alpha + tan ( alpha + ( pi )/( 3) ) + tan ( alpha + ( 2pi )/( 3...

    Text Solution

    |

  12. Prove that :"sin"As in(60^0-A)s in(60^0+A)=1/4sin3A

    Text Solution

    |

  13. If x is A.M. of tan "" ( pi )/( 9 ) and tan"" ( 5pi )/( 18) and y is A...

    Text Solution

    |

  14. The value of sin""(pi)/(10)sin""(13pi)/(10) is

    Text Solution

    |

  15. The value of 2tanpi/(10)+3secpi/(10)-\ 4cospi/(10) is 0 b. 1 c. sqrt(5...

    Text Solution

    |

  16. The value of sin 50^(@) - sin70^(@) + sin 10^(@) is equal to

    Text Solution

    |

  17. The value of sqrt3"cosec"20^@ - sec 20^@ is equal to

    Text Solution

    |

  18. Expression (1)/(cos 290^(@)) + (1)/(sqrt(3) sin 250^(@)) equals

    Text Solution

    |

  19. The value of (1)/( sin10^(@)) - ( sqrt( 3))/( cos 10^(@))=

    Text Solution

    |

  20. The least value of cos^(2) theta - 6 sin theta cos theta + 3sin^(2) th...

    Text Solution

    |