Home
Class 10
MATHS
Prove that tan 7^@ tan23^@ tan60^@tan67^...

Prove that `tan 7^@ tan23^@ tan60^@tan67^@tan83^@ = sqrt3`.

Promotional Banner

Topper's Solved these Questions

  • BEGUNKODAR HIGH SCHOOL

    UNITED BOOK HOUSE|Exercise EXERCISE|54 Videos
  • Compound Interest and Uniform rate of Increase or Decrease

    UNITED BOOK HOUSE|Exercise Exercise |29 Videos

Similar Questions

Explore conceptually related problems

Prove that tan 70^@=tan 20^@+2tan50^@

Prove that tan6^@tan42^@tan66^@tan78^@=1

Prove that tan20^@tan30^@tan40^@tan80^@=1

Prove that tan1^@tan2^@tan3^@...tan88^@tan89^@=1

Prove that tan62^@=2tan34^@+tan28^@

Show that tan6^@tan42^@tan66^@tan78^@=1

Prove that tan 20^@tan 40^@ tan 60^@ tan 80^@ = 3

Show that tan67^@-tan22^@-tan67^@tan22^@=1

Prove that tan 1^@ tan 2^@ tan 3^@........ tan 88^@tan89^@=1

Prove that tan 70^@ = tan 20^@ + 2 tan 50^@ .

UNITED BOOK HOUSE-BIDHANNAGAR GOVT, HIGH SCHOOL-EXERCISE
  1. If x/y alphax+y and y/x alpha x-y, then show that x^2-y^2= constant.

    Text Solution

    |

  2. If 1/(b+c)+1/(c+a) = 2/(a+b) , show that a^2+b^2=2c^2,

    Text Solution

    |

  3. If a+b+c= 0 prove that 1/(2a^2+bc)+1/(2b^2+ca)+1/(2c^2+ab)=0

    Text Solution

    |

  4. State and Prove Pythagoras theorem.

    Text Solution

    |

  5. If two tangents are drawn to a circle from a point outside it, them th...

    Text Solution

    |

  6. O is the centre of a centre having diameter AB. P is any point on the ...

    Text Solution

    |

  7. AB and CD are two chords of a cricle. Extended BA and CD intersect at ...

    Text Solution

    |

  8. Draw the mean proportional of line segments of lengths 4 cm and 3 cm.

    Text Solution

    |

  9. use bal to draw the circumcircle of a right angled triangle having the...

    Text Solution

    |

  10. If sin theta+ cosec theta= 2 then find the value of sin^10theta+cosec ...

    Text Solution

    |

  11. Find the value of 4/3 cot^2 30^@+2 sin^2 60^@-2cosec^2 60^@-3/4 tan^2 ...

    Text Solution

    |

  12. Prove that tan 7^@ tan23^@ tan60^@tan67^@tan83^@ = sqrt3.

    Text Solution

    |

  13. The length of shadow of a tower standing on the ground is found to be...

    Text Solution

    |

  14. Find the number of zeros at the end of 100! ?

    Text Solution

    |

  15. Answer any two questions : Determine the volume of a solid right circu...

    Text Solution

    |

  16. If two circles of radii 7 cm and 3 cm touch each other extermally, the...

    Text Solution

    |

  17. If the glass of tubelight is 105 cm long and external circumference is...

    Text Solution

    |

  18. Find the median of the following frequency distribution table.

    Text Solution

    |

  19. Find the mode of the following frequency distribution table.

    Text Solution

    |

  20. Profit of 100 shops in village are given below. find mean profit?

    Text Solution

    |