Home
Class 14
MATHS
Which one of the following pairs is corr...

Which one of the following pairs is correctly matched?

A

`{:("If","then"),(x=(1+sin 60^(@)-cos60^(@))/(1+sin60^(@)+cos60^(@)),x=tan60^(@)):}`

B

`{:("If","then"),(x=(1+sin 90^(@)-cos 90^(@))/(1+sin 90^(@)-cos 90^(@)),x=tan30^(@)):}`

C

`{:("If","then"),(x=(2tan30^(@))/(1-tan^(2)30^(@)),x=tan60^(@)):}`

D

`{:("If","then"),(x=(1-tan^(2)30^(@))/(1+tan^(2)30^(@)),x=cos60^(@)):}`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • TRIGONOMETRY

    ARIHANT SSC|Exercise INTRODUCTORY EXERCISE - 11.6|10 Videos

  • TIME, SPEED AND DISTANCE

    ARIHANT SSC|Exercise SPEED TEST (TSD)|10 Videos

  • TRUE DISCOUNT AND BANKER'S DISCOUNT

    ARIHANT SSC|Exercise FAST TRACK PRACTICE|23 Videos

Similar Questions

Explore conceptually related problems

Which one of the following pair is correctly matched

Which one of the following pair is correctly matched?

Which one of thse following pairs is correctly matched ?

Which one of the following pair is correctly matched to the wild life and national park

Which one of the following pairs are correctly matched ?

which one among the following pairs is correctly matched ?

Which one of the following pairs is not correctly matched?

Which one of the following pairs is not correctly matched?

ARIHANT SSC-TRIGONOMETRY-EXERCISE(LEVEL - 1)
  1. If sintheta-cos theta=0 and 0 lt theta le pi//2. then theta is equal t...

    Text Solution

    |

  2. Given that theta is acute and then sin theta=(3)/(5). Let x, y be posi...

    Text Solution

    |

  3. Which one of the following pairs is correctly matched?

    Text Solution

    |

  4. If xtan45^(@).cos60^(@)=sin60^(@)cot60^(@), then x is equal to

    Text Solution

    |

  5. If theta lies in the second quadrant, then sqrt((1-sintheta)/(1+sin th...

    Text Solution

    |

  6. sin^(6)A+cos^(6)A is equal to :

    Text Solution

    |

  7. If sec x=P, " cosec "x=Q, then :

    Text Solution

    |

  8. sin^(2)Acos^(2)B-cos^(2)A sin^(2)B simplifies to :

    Text Solution

    |

  9. If sin2x=n sin 2y, then the value of (tan(x+y))/(tan(x-y)) is :

    Text Solution

    |

  10. The least value of 2sin^2theta+3cos^2theta is 1 (b) 2 (c) 3 (d) ...

    Text Solution

    |

  11. The value of tan(180+theta).tan (90-theta) is :

    Text Solution

    |

  12. log tan 1^@+log tan2^@+log tan3^@+...log tan89^@=

    Text Solution

    |

  13. If we convert sin(-566^(@)) to same trigonometrical ratio of a positiv...

    Text Solution

    |

  14. From the Masthead of a ship, the angle of Depression of boat is 60^@, ...

    Text Solution

    |

  15. A portion of a 30 m long tree is broken by tornado and the top struck ...

    Text Solution

    |

  16. Two posts are 25 m and 15 m high and the line joining their tips makes...

    Text Solution

    |

  17. The angle of elevation of the top of a tower at a point G on the groun...

    Text Solution

    |

  18. If x=sec theta+tan theta, y = sec theta-tan theta, then the relation b...

    Text Solution

    |

  19. The value of theta for which sqrt3 cos theta-sin theta=1 is :

    Text Solution

    |

  20. If tan theta =(4)/(3), then the value of sqrt((1+cos theta)/(1-cos the...

    Text Solution

    |