Home
Class 12
MATHS
If 3 tan theta tan phi=1, then (cos (th...

If 3 tan `theta tan phi=1, ` then `(cos (theta-phi))/(cos (theta+phi))` is

Text Solution

Verified by Experts

The correct Answer is:
2
Promotional Banner

Topper's Solved these Questions

  • TRIGNOMETRIC FUNCTIONS

    AAKASH INSTITUTE|Exercise Section -H (Multiple True-false, type Questions)|10 Videos

  • TRIGNOMETRIC FUNCTIONS

    AAKASH INSTITUTE|Exercise Section I (subjective Type questions)|35 Videos

  • TRIGNOMETRIC FUNCTIONS

    AAKASH INSTITUTE|Exercise Section E (Assertion-Reason Types Questions)|18 Videos

  • THREE DIMENSIONAL GEOMETRY

    AAKASH INSTITUTE|Exercise ASSIGNMENT SECTION - J|10 Videos

  • VECTOR ALGEBRA

    AAKASH INSTITUTE|Exercise SECTION-J (Aakash Challengers Questions)|5 Videos

Similar Questions

Explore conceptually related problems

If 3tan theta tan phi=1 then (cos(theta-phi))/(cos(theta+phi)) is

3tanthetatanphi=1 , then (cos(theta-phi))/(cos(theta+phi))=?

If 3tan theta tan phi=1. Prove that 2cos(theta+phi)=cos(theta-phi)

If 3tan theta tan phi=1, then prove that 2cos(theta+phi)+cos(theta-phi)=0

If 3 tan theta tan phi=1 , then prove that 2 cos (theta+varphi)=cos (theta-varphi) .

If tan theta=1/2 and tan phi=1/3, then tan(2 theta+phi)

If (1+tan theta)(1+tan phi)=2 then theta+phi=

If tan theta+tan phi=a and cot theta+cot phi=b then cot(theta+phi)=

If 0 lt theta , phi lt pi and 8 cos theta cos phi cos (theta + phi)+1=0 find theta and phi

AAKASH INSTITUTE-TRIGNOMETRIC FUNCTIONS -Section -G (Integer Answer type questions)
  1. If 5 costheta = 3, then ( "cosec "theta+cot theta)/(" cosec " theta- c...

    Text Solution

    |

  2. Least integral value of 3(tan^(2)theta + cot^(2)theta)-8(tantheta + co...

    Text Solution

    |

  3. x^(2)-2x+2cos^(2)theta +sin^(2)theta=0, then maximum number of ordered...

    Text Solution

    |

  4. The smallest value of 3(tan^(2)theta+cot^(2)theta) - 8(tantheta + cott...

    Text Solution

    |

  5. x^(2)-2x +2 cos^(2)theta + sin^(2)theta=0, then maximum number of orde...

    Text Solution

    |

  6. The sum of maximum and minimum values of the expression 5 cosx + 3sin(...

    Text Solution

    |

  7. Let PQ and RS be two parallel chords of a given circle of radius 6 cm,...

    Text Solution

    |

  8. If 3 tan theta tan phi=1, then (cos (theta-phi))/(cos (theta+phi)) is

    Text Solution

    |

  9. The number of solutions of (81)^(sin ^2 x) + (81)^( cos^2x )=30 for x ...

    Text Solution

    |

  10. If a, b ∈ [0,2pi] and the equation x^(2) + 4+3sin(ax+b)=2x has atleast...

    Text Solution

    |

  11. If sin^2x-2sinx-1=0 has exactly four different solutions in x in [0,np...

    Text Solution

    |

  12. In right angled triangle ABC, if AB=AC, then value of |R/r| (value [X]...

    Text Solution

    |

  13. In right angled triangleABC, if AB=AC, then value of [R/r] (value [x] ...

    Text Solution

    |

  14. In a triangleABC, bc=a, a=2, the value of 2DeltaR is equal to

    Text Solution

    |

  15. In a triangle ABC with usual notation b cosec B=a, then value of (b +...

    Text Solution

    |

  16. In a triangle ABC, 2B= A + C and b^(2) = ac, then (a(a+b+c))/(3bc) is

    Text Solution

    |

  17. In an equilateral triangle with usual notations the value of (27r^(2)R...

    Text Solution

    |

  18. In a triangle ABC, (c cos(A-theta) + acos (C + theta))/(b costheta) is...

    Text Solution

    |