Home
Class 12
MATHS
In any DeltaABC,("tan"(A)/(2)-"tan"(B)/(...

In any `DeltaABC,("tan"(A)/(2)-"tan"(B)/(2))/("tan"(A)/(2)+"tan"(B)/(2))` is equal to:

A

(a) `(a-b)/(a+b)`

B

(b) `(a-b)/(c)`

C

(c) `(a-b)/(a+b+c)`

D

(d) `(c )/(a+b)`

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • PROPERTIES AND SOLUTION OF TRIANGLES

    ARIHANT MATHS|Exercise Exercise For Sesssion 3|34 Videos

  • PROPERTIES AND SOLUTION OF TRIANGLES

    ARIHANT MATHS|Exercise Exercise For Sesssion 4|10 Videos

  • PROPERTIES AND SOLUTION OF TRIANGLES

    ARIHANT MATHS|Exercise Exercise For Sesssion 1|20 Videos

  • PRODUCT OF VECTORS

    ARIHANT MATHS|Exercise Exercise (Questions Asked In Previous 13 Years Exam)|52 Videos

  • SEQUENCES AND SERIES

    ARIHANT MATHS|Exercise Exercise (Questions Asked In Previous 13 Years Exam)|38 Videos

Similar Questions

Explore conceptually related problems

If A+B + C = pi , show that : tan""(A)/(2) tan""(B)/(2) + tan""(B)/(2)tan""(C)/(2)+tan""(C)/(2)tan""(A)/(2) = 1 .

tan(2 pi-x) equals:

In a DeltaA B C ,1/(1+tan^2(A/2))+1/(1+tan^2(B/2))+1/(1+tan^2(C/2)) = k [1+sin(A/2) sin(B/2) sin(C/2)], then the value of k is

If A+B+C=pi , prove that (a) tan 3A+tan3B+tan3C=tan3A tan 3B tan 3C (b) cot""(A)/(2)+cot""(B)/(2)+cot""(C)/(2)=cot""(A)/(2)cot""(B)/(2)cot""(C)/(2)

If tan3A=(3 tan A+k tan^(3)A)/(1-3 tan^(2)A) , then k is equal to

Prove that tan^(-1)""(1)/(2)+tan^(-1)""(2)/(11)=tan^(-1)""(3)/(4)

Prove that tan^(-1)""(2)/(11)+tan^(-1)""(7)/(24)=tan^(-1)""(1)/(2) .

ARIHANT MATHS-PROPERTIES AND SOLUTION OF TRIANGLES -Exercise For Sesssion 2
  1. If in a triangle ABC, (s-a)(s-b)= s(s-c), then angle C is equal to

    Text Solution

    |

  2. In any Delta ABC, If cot ""A/2 , cot ""B/2 ,cot ""C/2 are in AP, t...

    Text Solution

    |

  3. In any DeltaABC,("tan"(A)/(2)-"tan"(B)/(2))/("tan"(A)/(2)+"tan"(B)/(2)...

    Text Solution

    |

  4. Prove that bc cos^(2).(A)/(2) + ca cos^(2).(B)/(2) + ab cos^(2).(C)/(2...

    Text Solution

    |

  5. In a Delta ABC, if cos A+cos B=4 sin^(2)((C)/(2)), then a,b,c are in ...

    Text Solution

    |

  6. In a triangle ABC, if b^2 + c^2 = 3a^2, then cotB + cotC-cotA is equal...

    Text Solution

    |

  7. In any Delta ABC, ((b-c)/(a))cos^(2)((A)/(2))+((c-a)/(b))cos ^(2)((b )...

    Text Solution

    |

  8. In a DeltaABC, the tangent of half the difference of two angle is one-...

    Text Solution

    |

  9. If in a triangle a cos^(2).(C)/(2) + c cos^(2).(A)/(2) = (3b)/(2), the...

    Text Solution

    |

  10. In the adjacent figure 'P' is any interior point of the equilateral tr...

    Text Solution

    |

  11. If c^(2) = a^(2) + b^(2), then prove that 4s (s - a) (s - b) (s - c) =...

    Text Solution

    |

  12. The number of possible angle ABC in which BC =sqrt11cm, CA=sqrt13cm an...

    Text Solution

    |

  13. If two sides a, b and the angle A be such that two triangles are forme...

    Text Solution

    |

  14. If in a DeltaABC, sin A =sin^(2) B and 2 cos ^(2)A=3 cos ^(2) B, then ...

    Text Solution

    |

  15. If a cos A =b cos B, then the triange is

    Text Solution

    |

  16. Point D,E are taken on the side BC of an acute angled triangle ABC,, s...

    Text Solution

    |

  17. If the base angles of triangle are 22 1/2a n d112 1/2 , then prove tha...

    Text Solution

    |

  18. In a DeltaABC, a =1 and the perrimeter is six times the AM of the sine...

    Text Solution

    |

  19. In a DeltaABC, if median AD is perpendicular to AB, the tan A+2 tan B ...

    Text Solution

    |

  20. The product of the sines of the angles of a triangle is p and the prod...

    Text Solution

    |