Home
Class 10
MATHS
Solve: (x+1) cot^2 (pi/6) = 2cos^2 (pi/3...

Solve: `(x+1) cot^2 (pi/6) = 2cos^2 (pi/3)+ 3/4 sec^2 (pi/4)+ 4 sin^2 (pi/6)`.

Promotional Banner

Topper's Solved these Questions

  • Statistics : Mean, Median, Ogive, Mode

    UNITED BOOK HOUSE|Exercise Exercise |29 Videos
  • SUJAPUR HIGH SCHOOL

    UNITED BOOK HOUSE|Exercise EXERCISE|55 Videos

Similar Questions

Explore conceptually related problems

prove: 2cos^2(pi/3)+3/4sec^2(pi/4)+4sin^2(pi/6)=cot^2(pi/6)

sin ^(2)(pi/6) + cos ^(2)(pi/3) - tan ^(2)(pi/4) =- 1/2

Prove that, cos^(2) (pi/4) + sin^(2) (3pi/4) + sin^(2) (5pi/4) + sin^(2)(7pi/4) = 2 .

cot ^(2) "" (pi)/(6) + cosec ""(5pi)/(6) + 3 tan ^(2) ""(pi)/(6) =6

The value of 3 sin (pi/6) "sec" (pi/3) - 4 sin (5pi/6) cot (pi/4) is-

Evalute : "sin"^(2)(pi)/(4) + "cos"^(2) (3pi)/(4)+"cos"^(2)(5pi)/(4)+"sin"^(2)(7pi)/(4).

Evaluate cos^2((pi)/(3))+sin^2((pi)/6)-tan^2((pi)/4)

2 sin ^(2) "" (3pi)/(4) + 2 cos ^(2) "" (pi)/( 4) + 2 sec ^(2) "" (pi)/(3) =10

The number of solutions of the equation cos^2(x+pi/6)+cos^2x-2cos(x+pi/6)dotcos(pi/6)=sin^2(pi/6) in interval ((-pi)/2,pi/2) is_________

show that cos^2(pi/9)+cos^2((2pi)/9)+cos^2((4pi)/9)=3/2

UNITED BOOK HOUSE-SUGGESSTION OR MADHYAMIK PARIKSHA-EXERCISE
  1. Draw a triangle having sides 6cm, 8 cm and 10 cm. Now draw the incircl...

    Text Solution

    |

  2. If cos theta - sin theta = sqrt2 sin theta, then show that cos theta+s...

    Text Solution

    |

  3. If the difference between two acute angles of a right angled triangle ...

    Text Solution

    |

  4. Solve: (x+1) cot^2 (pi/6) = 2cos^2 (pi/3)+ 3/4 sec^2 (pi/4)+ 4 sin^2 (...

    Text Solution

    |

  5. Find the value of sin^2 60^@ cot30^@- 2sec^2 45^@+ 3cot60^@ tan 45^@-t...

    Text Solution

    |

  6. Show that tan 15^@+ tan 75^@ = (sec^2 15^@)/sqrt(sec^2 15^@-1)

    Text Solution

    |

  7. If 5 sin^2 theta+4 cos^2 theta = 9/2 , find the value of tan theta.

    Text Solution

    |

  8. A man standing on a railway bridge 5sqrt3 meters high, observes the en...

    Text Solution

    |

  9. From a point on the roof a house 11 metres height, it is observed that...

    Text Solution

    |

  10. The length of a flag at the roof of three storied building is 3.3 metr...

    Text Solution

    |

  11. Half of the cuboidal water tank with length 2.1m and breadth of 1.5m i...

    Text Solution

    |

  12. An outlet pipe in the roof with length 13m and breadth 11m was closed ...

    Text Solution

    |

  13. If two solid spheres with the radii of 1 cm and 6 cm lengths are melte...

    Text Solution

    |

  14. The slant height of a right circular cone is 7 cm and the total surfac...

    Text Solution

    |

  15. If the mean of the following data is 54 then find the value k.

    Text Solution

    |

  16. Find the median of the following distribution table.

    Text Solution

    |

  17. Find themode of the following frequency distribution.

    Text Solution

    |

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

    Text Solution

    |

  19. Draw an ogive from the following data(less then type):

    Text Solution

    |

  20. Find the mode of the following distribution table.

    Text Solution

    |