Home
Class 11
MATHS
Find the viaue of tan 28^@ + tan 17^@ + ...

Find the viaue of` tan 28^@ + tan 17^@ + tan 28^@tan 17^@`

Promotional Banner

Topper's Solved these Questions

  • MODEL QUESTION PAPERS-SET 12

    UNITED BOOK HOUSE|Exercise EXERCISE|49 Videos
  • MODEL QUESTION PAPERS-SET 14

    UNITED BOOK HOUSE|Exercise EXERCISE|49 Videos

Similar Questions

Explore conceptually related problems

Find the value of tan 20^@ tan 40^@ tan 80^@ .

If tan 17^(@) = x , find the value of (tan 163^@ - tan 107^@)/(1 + tan 163^@ tan 107^@) .

The value of tan 10^@ tan 15^@ 75^@ tan 80^@ is___

Find the value of: (tan 60^@- tan 30^@)/(1+ tan60^@ tan 30^@)+cos 60^@ cos30^@+ sin 60^@ sin30^@ .

Fing the value of tan 1^@ tan2^@ tha^@ ……………. Tan89^@ .

What is the value of tan4^@ tan43^@ tan47^@ tan86^@ ?

Find the value of tan 44^@ , given tan1^@ = 0.01745 .

The value of (tan 9^(@)-tan 27^(@)-tan 63^(@)+tan 81^(@)) is-

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

UNITED BOOK HOUSE-MODEL QUESTION PAPERS-SET 13-EXERCISE
  1. If R = {(x, y) : x in N, yin N and 2x + y = 10}. then find R^-1

    Text Solution

    |

  2. Write P = {2, 4, 8, 16, 32, 64} in set builder form.

    Text Solution

    |

  3. Find the viaue of tan 28^@ + tan 17^@ + tan 28^@tan 17^@

    Text Solution

    |

  4. Solve :sin 3theta = cos 3theta (0 < theta < pi)

    Text Solution

    |

  5. Find the amplitude of i/(1-i).

    Text Solution

    |

  6. In how many different ways 4 boys and 3 girls can be sitted in one row...

    Text Solution

    |

  7. Find the middle term of the expansion of (a^2/3+3/a^2)^8

    Text Solution

    |

  8. The sum of the 1st m terms of an AP is n and the sum of the 1st n term...

    Text Solution

    |

  9. The co-ordinate of the vertices of a triangle are (2, -2), (4, 2) and ...

    Text Solution

    |

  10. Find the co-ordinate of that point which divides the line segment join...

    Text Solution

    |

  11. show that lim(nrarr0)(root(3)(n+1)-1)/n=1/3

    Text Solution

    |

  12. If y = x/(x+a),show that x dy/dx = y (1- y)

    Text Solution

    |

  13. A box contains 50 articles of which 4 are defective. One article is ta...

    Text Solution

    |

  14. Find the mean deviation of 36, 72, 46,60, 42, 45, 53. 46, 51, 49.

    Text Solution

    |

  15. For any three sets A, B, C, Prove that A cap(BcupC)=(AcapB)cup (A cap ...

    Text Solution

    |

  16. If tan (theta/2)=tan^3 (phi/2)and tanphi=2tanalpha,then prove that the...

    Text Solution

    |

  17. In a triangle ABC if a cos^2(C/2)+c cos^2(A/2)=((3b)/2)show that sides...

    Text Solution

    |

  18. Prove that by mathematical induction : 3^(2n+ 2) - 8n - 9 is divisible...

    Text Solution

    |

  19. If x=a+b,y=aw+bw^2,z=aw^2+bw,show that xyz=a^3+b^3

    Text Solution

    |

  20. if the ratio of the sum of n terms of two A Ps is (3n + 5) : (5n - 9)...

    Text Solution

    |