Home
Class 12
MATHS
Prove that cot^(-1) 7 + 2 cot^(-1)3 = pi...

Prove that `cot^(-1) 7 + 2 cot^(-1)3 = pi/4`

Promotional Banner

Topper's Solved these Questions

  • QUESTION BANK 2021

    NAVNEET PUBLICATION - MAHARASHTRA BOARD|Exercise PAIRS OF LINES |21 Videos

  • QUESTION BANK 2021

    NAVNEET PUBLICATION - MAHARASHTRA BOARD|Exercise VECTOR AND THREE DIMENSIONAL GEOMETRY |54 Videos

  • QUESTION BANK 2021

    NAVNEET PUBLICATION - MAHARASHTRA BOARD|Exercise MATRICES|63 Videos

  • PROBABILITY DISTRIBUTION

    NAVNEET PUBLICATION - MAHARASHTRA BOARD|Exercise MULTIPLE CHOICE QUESTIONS|9 Videos

  • THREE DIMENSIONAL GEOMETRY

    NAVNEET PUBLICATION - MAHARASHTRA BOARD|Exercise MULTIPLE CHOICE QUESTIONS|8 Videos

Similar Questions

Explore conceptually related problems

Prove that : cot^(-1) 3 + cot^(-1).(3)/(4) = cot^(-1) .(1)/(3)

Prove that 2cot^(-1)5+ cot^(-1)7 + 2cot^(-1)8 =pi/4

Prove that cot((pi)/(4)-2cot^(-1)3)=7

prove that tan^(-1)x+cot^(-1)x=pi/2

Prove that : cot^(-1)7+cot^(-1)8+cot^(-1)18=cot^(-1)3

Prove that tan^(-1)(cot x)+cot^(-1)(tan x)=pi-2x

Solve : cot^(-1)2x+cot^(-1)3x=(pi)/(4)

Prove that : (i) tan^(-1) x + cot^(-1)( x+1) = tan^(-1) (x^(2)+x+1) (ii) cot^(-1) 3 + "cosec"^(-1) sqrt(5) = pi/4

Prove that cot^(-1)(3)-cot^(-1)(4)=cot^(-1)(13)

NAVNEET PUBLICATION - MAHARASHTRA BOARD-QUESTION BANK 2021-TRIGONOMETRIC FUNCTIONS
  1. Find the value of cos^(-1) ((1)/(2)) + tan^(-1) ((1)/(sqrt(3)))

    Text Solution

    |

  2. In triangleABC, if a=13, b=14, c=15, then cosB=

    Text Solution

    |

  3. In Delta ABC, if (cos A)/(a) = (cos B)/(b), then show that it is an is...

    Text Solution

    |

  4. The principal solution tanx=-sqrt(3) is

    Text Solution

    |

  5. Evaluate cos [(pi)/(6) + cos^(-1) (-(sqrt(3))/(2))]

    Text Solution

    |

  6. If a cos A = b cos B, prove that the Delta ABC is either isosceles o...

    Text Solution

    |

  7. In DeltaABC, prove that (cos 2A)/(a^(2))-(cos 2C)/(c^(2)) = (1)/(a^(2)...

    Text Solution

    |

  8. If tan^(-1) x + tan^(-1)y + tan^(-1)z = pi show that : 1/(xy) + 1/(y...

    Text Solution

    |

  9. Prove that: sin{tan^(-1)(1-x^2)/(2x)+cos^(-1)(1-x^2)/(1+x^2)}=1

    Text Solution

    |

  10. If in a triangleA B C , (2cosA)/a+(cos B)/b+(2cosC)/c=a/(b c)+b/(c a) ...

    Text Solution

    |

  11. In any DeltaABC, prove that : (a-b)/c = (sin, (A-B)/2)/(cos,C/2)

    Text Solution

    |

  12. If the angles A,B,C of /\ABC are in A.P., and its sides a, b, c are in...

    Text Solution

    |

  13. Prove that cot^(-1) 7 + 2 cot^(-1)3 = pi/4

    Text Solution

    |

  14. In any triangle A B C , prove that following: \ (cos^2B-cos^2C)/(b+c)+...

    Text Solution

    |

  15. Show that : sin^(-1) 3/5 + sin^(-1) 8/17 = cos^(-1) 36/85.

    Text Solution

    |

  16. In DeltaABC, prove that (a^(2)sin (B-C))/(sin A) + (b^(2) sin (C-A))/(...

    Text Solution

    |

  17. In DeltaABC, prove that (b^(2)-c^(2))/(a)cos A + (c^(2)-a^(2))/(b)cos ...

    Text Solution

    |

  18. Prove that 2 tan^(-1) ((1)/(8)) + tan^(-1) ((1)/(7)) + 2 tan^(-1) ((1)...

    Text Solution

    |

  19. In Delta ABC, if angle A = (pi)/(2), then prove that sin (B - C) = (b^...

    Text Solution

    |

  20. If cos^(-1)x + cos^(-1)y - cos^(-1) z = 0, then show that x^(2) + y^(2...

    Text Solution

    |