Home
Class 10
MATHS
find the value of (2 tan 30^@ cos 60^@)/...

find the value of `(2 tan 30^@ cos 60^@)/(1+tan^2 30^@)-(tan^2(45^@)-1/2cos60^@cos60^@)/(1-tan^2(30^@)`.

Promotional Banner

Topper's Solved these Questions

  • Partnership Business

    UNITED BOOK HOUSE|Exercise Exercise |30 Videos

  • PATRASAYER BAMIRA GURUDAS INSTITUTION, BANKURA

    UNITED BOOK HOUSE|Exercise EXERCISE|54 Videos

Similar Questions

Explore conceptually related problems

find the value of (2 tan 30^(@))/(1-tan^(2)30^(@))

Find the values of (2 tan^2 30^@)/(1-tan^2 30^@)+sec^2 45^@-cot^2 45^@-sec60^@ .

(2 tan 30^(@))/( 1-tan ^(2) 30^(@)) =

What is the value of (2tan30^@)/(1-tan^2(30^@) ?

Find the value of cos^2 30^@-2cos^2 60^@-4sin^2 45^@+tan45^@ .

Find the value : (tan^2 60^@+tan30^@)/(1+tan^2 60^@+tan30^@)+cos 60^@ cos30^@ -sin60^@ - sin30^@

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

(2 tan 30^@)/(1 - tan^2 30^@) is equal to___

Find the value of cot^2 30^@-2cos^2 60^@- 3/4 sec^2 45^@-4sin^2 30^@ .

UNITED BOOK HOUSE-PATHA BHAVAN-EXERCISE
  1. If x/y inftyx+y and y/x infty x^2-xy+y^2, then show that x^3+y^3 is co...

    Text Solution

    |

  2. If a/(4-a)+b/(4-b)+c/(4-c)=1 prove that 1/(4-a)+1/(4-b)+1/(4-c)=1

    Text Solution

    |

  3. if a:b = b:c prove that ((a+b)/(b+c))^2 = (a^2+b^2)/(b^2+c^2).

    Text Solution

    |

  4. State and prove Pythagoras theorem.

    Text Solution

    |

  5. If two circles touch each other externally then the point of contact w...

    Text Solution

    |

  6. In a triangle PQR, anglePQR = 90^@ S is any point onQR. Prove that PS^...

    Text Solution

    |

  7. AB is a diameter of a circle with centre O and AC is a chord . The str...

    Text Solution

    |

  8. Answer any one question : Draw an equilateral triangle of side of 6 c...

    Text Solution

    |

  9. Geometrically find the value of sqrt(15).

    Text Solution

    |

  10. If xsin^3a+ycos^3a = sin a cos a and x sin a- y cos a = 0, then show t...

    Text Solution

    |

  11. find the value of (2 tan 30^@ cos 60^@)/(1+tan^2 30^@)-(tan^2(45^@)-1/...

    Text Solution

    |

  12. If 2sinA-1 = 0 then show that sin3A = 3 sinA -4sin^3A.

    Text Solution

    |

  13. The upper part of a lamp-post is broken by strom and the top touches t...

    Text Solution

    |

  14. If the angle of elevation of the Sun is 60^@, then the length of the s...

    Text Solution

    |

  15. The area of curved surface of right circular cylinder is 880sq.cm. and...

    Text Solution

    |

  16. From a solid iron sphere of diameter 18cm, a right circular cylindrica...

    Text Solution

    |

  17. The vertical height of a conical text tent is 10 metre and diameter of...

    Text Solution

    |

  18. Find the median from the following given data.

    Text Solution

    |

  19. In the frequency distribution table given below, the average daily wag...

    Text Solution

    |

  20. find the mode from the following given data.

    Text Solution

    |