Home
Class 10
MATHS
Express sin 81^(@) +tan 81^(@) in terms ...

Express `sin 81^(@) +tan 81^(@) `in terms of trigonometric ratio of angles between `0^(@) and 45^(@) `

Promotional Banner

Topper's Solved these Questions

  • TANGENTS AND SECANTS TO A CIRCLE

    VGS PUBLICATION-BRILLIANT|Exercise EXERCISE|201 Videos

  • TRIGONOMETRY (MULTIPLE CHOICE QUESTION)

    VGS PUBLICATION-BRILLIANT|Exercise TRIGONOMETRY (MULTIPLE CHOICE QUESTION)|25 Videos

Similar Questions

Explore conceptually related problems

Express sin 75^(@) + cos 65^(@) in terms of trigonometric ratios of angles between 0^(@) and 45^(@) .

Expression sin75^(@) +cos 65^(@) in terms of trigonometric ratios of angles between 0^(@) and 45^(@)

If tan A = (3)/(4) , then find the other trigonometric ratio of angle A.

sin81^@ = …………

Express: sin 67^@ + cos 75^@ in terms of angles between 0^@ and 45^@ .

Express: tan 65^@ + cot 49^@ in terms of angles between 0^@ and 45^@

Express sin 75^@ + cos 67^@ interms of angles between 0 and 45^@

VGS PUBLICATION-BRILLIANT-TRIGONOMETRY-EXERCISE
  1. If cos 7A =sin (A-6^(@)) , where 7A is an acute angle ,find the valu...

    Text Solution

    |

  2. If sin A =cos B , then prove that A+B =90 ^(@)

    Text Solution

    |

  3. Express sin 81^(@) +tan 81^(@) in terms of trigonometric ratio of angl...

    Text Solution

    |

  4. If A , B and C are interior angles of triangle ABC ,then show that sin...

    Text Solution

    |

  5. Evaluate (tan 36^(@) )/( cot 54^(@))

    Text Solution

    |

  6. cos 12^(0)- sin 78^(0) =

    Text Solution

    |

  7. Evaluate cosec 31^(@) -sec 59^(@)

    Text Solution

    |

  8. Evaluate sin 15^@.sec 75^@.

    Text Solution

    |

  9. Evaluate tan 26^(@) tan 64^(@)

    Text Solution

    |

  10. Show that tan 48^(@) tan 16^(@) tan42^(@) tan 74^(@) =1

    Text Solution

    |

  11. Show that cos 36^(@) cos 54 ^(@) -sin 36^(@) sin 54^(@) =0

    Text Solution

    |

  12. If tan 2A =cot (A-18^(@) ) where 2A is an acute angle , Find the val...

    Text Solution

    |

  13. If tan A =cot B where A and B are acute angles prove that A+B= 90 ^(@...

    Text Solution

    |

  14. If A , B and C are interior angles of a triangle ABC, then show that t...

    Text Solution

    |

  15. Expression sin75^(@) +cos 65^(@) in terms of trigonometric ratios of ...

    Text Solution

    |

  16. For which value of an acute angle theta ,(i) ( cos theta )/( 1-sin th...

    Text Solution

    |

  17. Are these identities true only for 0^(@) le A le 90 ^(@) ? If not ,fo...

    Text Solution

    |

  18. Are these identities true only for 0^(@) le A le 90 ^(@) ? If not ,fo...

    Text Solution

    |

  19. If sin C =( 15)/(17) , then find cos C ,

    Text Solution

    |

  20. If tan x = ( 5)/( 12), then find sec x.

    Text Solution

    |