Home
Class 11
MATHS
Prove that : sin 10^@ sin 50^@ sin 60^...

Prove that :
`sin 10^@ sin 50^@ sin 60^@sin 70^@= sqrt3/16`.

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

Prove that : sin70^@ cos 10^@- cos70^@ sin 10^@= sqrt3/2 .

Prove that : sin 6^@ sin 42^@ sin 66^@ sin 78^@ =1/16 .

Prove the following : sin 10^@ sin 30^@ sin 50^@ sin 70^@ = 1/16 .

Prove that : sin 12^@ sin48^@ sin 54^@=1/8 .

Prove the following : sin 20^@ sin 40^@ sin 60^@ sin 80^@ = 3/16 .

Prove that : sin 36^@ sin 72^@ sin 108^@ sin 144^@ =5/16 .

Prove the following : sin 10^@ sin 50^@ sin 70^@ = 1/8 .

Prove that sin^2 30^@, sin^2 45^@, sin^2 60^@ are in A.P.

Prove the following : sin 10^@ + sin 20^@ + sin 40^@ + sin 50^@ = sin 70^@+ sin 80^@ .

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

MODERN PUBLICATION-TRIGNOMETRY-EXERCISE
  1. Prove that : sin 10^@ sin 50^@ sin 60^@sin 70^@= sqrt3/16.

    Text Solution

    |

  2. Find the radian measure corresponding to the following degree measure ...

    Text Solution

    |

  3. Find the radian measure corresponding to the following degree measure ...

    Text Solution

    |

  4. Find the radian measure corresponding to the following degree measure ...

    Text Solution

    |

  5. Find the radian measures corresponding to the following degree measure...

    Text Solution

    |

  6. Find the radian measure corresponding to the following grade measure :...

    Text Solution

    |

  7. Find the radian measure corresponding to the following grade measure :...

    Text Solution

    |

  8. Find the radian measure corresponding to the following grade measure :...

    Text Solution

    |

  9. Find thedegree measure corresponding to the following measure. (Use pi...

    Text Solution

    |

  10. Find thedegree measure corresponding to the following measure. (Use pi...

    Text Solution

    |

  11. Find thedegree measure corresponding to the following measure. (Use pi...

    Text Solution

    |

  12. Find thedegree measure corresponding to the following measure. (Use pi...

    Text Solution

    |

  13. The angles of a triangle are3x^@, ((4x)/3)^g and (2 pi x)/75 radians. ...

    Text Solution

    |

  14. Express the radians the fourth angle of a quadrilateral which has thre...

    Text Solution

    |

  15. The sum of two angles is 80 grades and their difference is 18^@. Find ...

    Text Solution

    |

  16. The angles of a triangle are in the ratio 1 : 2: 3. Find the angles in...

    Text Solution

    |

  17. The vertical angle of an isosceles triangle is 2/3 rd of each of its b...

    Text Solution

    |

  18. In a right-angled triangle, the difference between two acute angles is...

    Text Solution

    |

  19. The wheel of a carriage is 91 cm in diameter and makes 5 revolutions p...

    Text Solution

    |

  20. A wheel makes 360 revolutions in one minute. Through how many radians ...

    Text Solution

    |

  21. Find the length of the arc of a circle of radius 5 cm subtending an an...

    Text Solution

    |