Home
Class 11
MATHS
Prove that tan A + cot A = 2 "cosec 2A"....

Prove that `tan A + cot A = 2 "cosec 2A"`.

Promotional Banner

Topper's Solved these Questions

  • SAMPLE QUESTIONS PAPER - 5 (PUNJAB)

    OMEGA PUBLICATION|Exercise Section B|8 Videos

  • SAMPLE QUESTION PAPER -3

    OMEGA PUBLICATION|Exercise Section D (6 MARK) |6 Videos

  • SAMPLE QUESTIONS PAPER-4 (PUNJAB)

    OMEGA PUBLICATION|Exercise Section- D|7 Videos

Similar Questions

Explore conceptually related problems

Prove that : 1+tan A tan frac (A)(2)= secA= tanA cot frac (A)(2)-1

Prove that : tan 75^@+ cot 75^@=4 .

Prove that : cot 2A= (cot^2 A-1)/(2 cot A) .

Prove that cot^-1 x = cosec^-1 sqrt(1+x^2) for x ge 0

Prove that : (sec A - cosec A ) (1 + tan A + cot A)= tan A sec A-cot A cosec A .

sin A (1 + tan A) + cos A (1 + cot A) = sec A + cosec A .

In any triangle ABC, prove that : tan frac (B+C-A)(2)= cot A .

Prove the following : (cot A - cos A)/(cot A + cos A) = (cosec A -1)/(cosec A + 1) .

Eliminate A between the equation : a cosec A +b cot A= x^2, b cosec A+ a cot A= y^2 .

Prove that : cot^-1 3 + cosec^-1 sqrt5 = pi/4

OMEGA PUBLICATION-SAMPLE QUESTIONS PAPER - 5 (PUNJAB)-Section C
  1. A market research group conducted a survey of 1000 consumers and repor...

    Text Solution

    |

  2. The function 't', which maps temperature in Clesius into temperature F...

    Text Solution

    |

  3. Find the degree measure of the angle subtended at the centre of a circ...

    Text Solution

    |

  4. Prove that tan A + cot A = 2 "cosec 2A".

    Text Solution

    |

  5. Prove the following by using the principle of mathematical induction f...

    Text Solution

    |

  6. Find n if ""^(n-1)P(3) : ""^(n)P(4) = 1:16.

    Text Solution

    |

  7. In an A . P , if mth Term is n and nth term is m , where m nen , f...

    Text Solution

    |

  8. The 4th term of a G.P. is square of second term and first term is -3. ...

    Text Solution

    |

  9. Find the equation of the circle passing through the point (2,4) and ...

    Text Solution

    |

  10. Find the co-ordinates of the focus, axis, the equation of the directri...

    Text Solution

    |

  11. Evaluate : lim(x rarr 0)""(sin 5x)/(tan 3x).

    Text Solution

    |

  12. Tickets are numbered from 1 to 100. One ticket is picked up at random....

    Text Solution

    |

  13. If |z(1)| = |z(2)| = ….. |z(n)| = 1, prove that |z(1) + z(2) + …….. z(...

    Text Solution

    |

  14. Express 1+isqrt3 in polar form.

    Text Solution

    |

  15. A manufacture has 600 litres of a 12% solution of acid .How many litr...

    Text Solution

    |

  16. Solve -2 - (x)/(4) le (1+x)/(3), 3-x lt 4 (x-3).

    Text Solution

    |

  17. Use delta method to find the derivative of x sin x.

    Text Solution

    |

  18. Find the maximum value of sin x cos x.

    Text Solution

    |

  19. The mean and variance of 8 observation are 9 and 9.25 respectively. If...

    Text Solution

    |