Home
Class 11
MATHS
Find the value of the following : (sin...

Find the value of the following :
`(sin 60^@)/(cos^2 45^@)-3 tan 30^@`.

Promotional Banner

Topper's Solved these Questions

  • TRIGNOMETRY

    MODERN PUBLICATION|Exercise EXERCISE|730 Videos

  • STRAIGHT LINES

    MODERN PUBLICATION|Exercise EXERCISE|304 Videos

Similar Questions

Explore conceptually related problems

Find the value of the following : 2 sin^2 30^@- 3 cos^2 45^@+ cos^2 60^@ .

Find the values of the following : tan 54^@ 30’ .

Find the value of the following : sin^2 30^@ + sin^2 45^@+ sin^2 60^@+ sin^2 90^@ .

Find the value of the following log_(cot30^@)tan45^@

Find the value of the following log_((sin^(2)30^(@)+cos^2 30^(@)))1

Find the value of the following : 3 sin^2 30^@+ 2 tan^2 60^@- 5 cos^2 45^@ .

Find the value of the following: tan^-1[2 cos(2sin^-1(1/2))]

Evaluate The following : sin 60^@ cos 30^@ + sin 30^@ cos 60^@

Find the value of the following log_((sec^2 60^@-tan^2 60^@))cos60^@

Without using Trigonometric Tables evaluate the following :- 3((sin36^@)/(cos54^@))^2 -2((tan18^@)/cot72^@)^3+2tan13^@tan21^@tan69^@tan77^@ .

MODERN PUBLICATION-TRIGNOMETRY-EXERCISE
  1. If x and y are real, show that the equation : sec^2 theta= (4xy)/(x+...

    Text Solution

    |

  2. Find the value of the following : sin^2 30^@ + sin^2 45^@+ sin^2 60^...

    Text Solution

    |

  3. Find the value of the following : (sin 60^@)/(cos^2 45^@)-3 tan 30^@...

    Text Solution

    |

  4. Find the value of the following : 3 sin^2 30^@+ 2 tan^2 60^@- 5 cos^...

    Text Solution

    |

  5. Find the value of the following : 2 sin^2 30^@- 3 cos^2 45^@+ cos^2 ...

    Text Solution

    |

  6. Prove that : cot^2 60^@+ sin^2 45^@+ sin^2 30^@+ cos^2 90^@=13/12.

    Text Solution

    |

  7. Prove that : cosec 60^@ cot 30^@ tan 60^@= 2 sec^2 45^@ cos30^@.

    Text Solution

    |

  8. Prove that : cos^2 30^@, cos^2 45^@, cos^2 60^@ are in A.P.

    Text Solution

    |

  9. Prove that : cot^2 30^@, cot^2 45^@, cot^2 60^@ are in G.P.

    Text Solution

    |

  10. If A= 45^@, verify that : sin 2A =2 sin A cos A .

    Text Solution

    |

  11. If A= 45^@, verify that : cos 2A = cos^2 A - sin^2 A.

    Text Solution

    |

  12. If theta = 30^@, verify that tan 2 theta= (2 tan theta)/(1- tan^2 thet...

    Text Solution

    |

  13. If A= 30^@ and B= 60^@, verify that : sin (A + B) = sin A cos B + co...

    Text Solution

    |

  14. Given tan 2A = (2 tan A)/(1-tan^2A). If tan 30^@= 1/sqrt3, verify that...

    Text Solution

    |

  15. Find the value of theta (0^@ le theta le 90^@) satisfying : tan theta+...

    Text Solution

    |

  16. Find the value of theta (0^@ le theta le 90^@) satisfying : 2 sin^2 th...

    Text Solution

    |

  17. Find the value of theta (0^@ le theta le 90^@) satisfying : 2 cos^2 th...

    Text Solution

    |

  18. If sin theta= 21/29, prove that sec theta+ tan theta= 2 1/2 if theta l...

    Text Solution

    |

  19. What will be the value of the expression sec theta+ tan theta and sin ...

    Text Solution

    |

  20. What will be the value of the expression sec theta+ tan theta and sin ...

    Text Solution

    |