Home
Class 12
MATHS
If in a right angle DeltaABC,4 sin A cos...

If in a right angle `DeltaABC,4 sin A cos B-1 =0` and tan A is finite, then

A

angles are in AP

B

angles are in GP

C

angles are in HP

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • PROPERTIES AND SOLUTION OF TRIANGLES

    ARIHANT MATHS|Exercise Exercise (More Than One Correct Option Type Questions)|24 Videos

  • PROPERTIES AND SOLUTION OF TRIANGLES

    ARIHANT MATHS|Exercise Exercise (Statement I And Ii Type Questions)|15 Videos

  • PROPERTIES AND SOLUTION OF TRIANGLES

    ARIHANT MATHS|Exercise PROPERTIES AND SOLUTIONS OF TRIANGLES EXERSISE 1: SINGLE OPTION CORRECT TYPE QUESTIONS|1 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

In a DeltaABC,3 sin A+4 cos B=6 and 3 cos A+4 sinB=1 , then angleC can be

In any DeltaABC, find sin A+sin B+ sin C.

In DeltaABC, tan B + tanC=5 and tan AtanC=3 , then

In a right angled triangle ABC, right angled at B, if tan A = 1, then verify that 2 sin A cos A = 1.

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

Find the area of a right angle DeltaABC , whose base is 10 and perpendicular is 12.

In DeltaABC, if sin^2 A+ sin^2 B = sin^2 C , then the triangle is

Statement I: If in a triangle ABC, sin ^(2) A+sin ^(2)B+sin ^(2)C=2, then one of the angles must be 90^(@). Statement II: In any triangle ABC cos 2A+ cos 2B+cos 2C=-1-4 cos A cos B cos C

In a DeltaABC , if 4 cos A cos B + sin 2A+sin 2B+sin 2C=4 , then DeltaABC is a. right angle but not issosceles b. isosceles but not right angled c. right angle isosceles d. obtuse angled

If in DeltaABC, angle A=90^(@) and c, sin B cos B are rational numbers, then show a and b are rational .

ARIHANT MATHS-PROPERTIES AND SOLUTION OF TRIANGLES -Exercise (Single Option Correct Type Questions)
  1. Let ABC be a right triangle with length of side AB=3 and hyotenus AC=5...

    Text Solution

    |

  2. Two medians drawn from the acute angles of a right angled triangle ...

    Text Solution

    |

  3. If in a right angle DeltaABC,4 sin A cos B-1 =0 and tan A is finite, t...

    Text Solution

    |

  4. Find (d^2y)/dx^2 , if y = cos^(-1)x

    Text Solution

    |

  5. If in a DeltaABC, the incricle passing through the point of intersecti...

    Text Solution

    |

  6. If two sides of a triangle are roots of the equation x^2-7x+8=0 and th...

    Text Solution

    |

  7. If median AD of a triangle ABC makes angle (pi)/(6) with side BC, then...

    Text Solution

    |

  8. If the perimeter of the triangle formed by feet of altitudes of the t...

    Text Solution

    |

  9. In a triangle with one angle (2pi)/(3), the lengths of the sides form ...

    Text Solution

    |

  10. If the sides of a Delta ABC are in AP and a is the smallest sie, then ...

    Text Solution

    |

  11. If p is the produce of the since of angles of a triange, and q the pro...

    Text Solution

    |

  12. Let C be incircle of DeltaABC. If the tangents of lengths t(1),t(2) an...

    Text Solution

    |

  13. If the sine of the angles of DeltaABC satisfy the equation c^(3)x^(3)-...

    Text Solution

    |

  14. In triangle ABC, medians AD and CE are drawn AD = 5, angle DAC = pi//8...

    Text Solution

    |

  15. In a triangle ABC, a ge b ge c. If (a^(3)+b^(3)+c^(3))/(sin ^(3)A +s...

    Text Solution

    |

  16. Solve the following system of inequalities graphically 2x + 4y le 8 , ...

    Text Solution

    |

  17. In a delta ABC, a,c, A are given and b(1) , b(2) are two values of thi...

    Text Solution

    |

  18. In a triangle ABC, if cot A =(x^(3)+x^(2) +x)^(1/2), cot B= (x+x^(-1)+...

    Text Solution

    |

  19. In a Delta ABC, a,b,A are given and c(1), c(2) are two values of the ...

    Text Solution

    |

  20. In Delta ABC, if a = 10 and b cot B + c cot C = 2(r + R) then the maxi...

    Text Solution

    |