Home
Class 14
MATHS
In triangle ABC, right angled at B, if ...

In `triangle ABC`, right angled at B, if `tanA =1/2`, then the value of `(sinA(cosC + cosA))/(cosC(sinC - sinA))` is:
`triangle ABC` में B एक समकोण है यदि `tanA =1/2` तो `(sinA(cosC + cosA)) /(cosC(sinC - sinA))` का मान क्या होगा ?

A

`2 sqrt 5`

B

3

C

2

D

1

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • 2019 TIER-II PAPER (1)

    CHAMPION PUBLICATION|Exercise EXERCISE|99 Videos

  • 2019 TIER-II PAPER(3)

    CHAMPION PUBLICATION|Exercise EXERCISE|100 Videos

Similar Questions

Explore conceptually related problems

In a triangle ABC,k right angled at B, if tan A = (1)/(sqrt3). Find the value of cos A.cosC-sinA.sinC.

In triangle ABC , if AB=2,BC=4 and AC=5, then the value of (sinA-sinB)/(sinC) is equal to

In a triangle Delta ABC, angleB = 90^(@) and tanA = sqrt""3 then what is the value of sinA.cosC + cosA.sinC?

If A lies in the first quadrant and 6tanA = 5, then the value (8 sinA -4 cosA)/(cosA + 2 sinA) is : यदि A प्रथम चतुर्थाश में स्थित है तथा 6tanA = 5 है, तो (8 sinA -4 cosA)/(cosA + 2 sinA) का मान क्या होगा ?

If A lies in the third quadrant, and 20tanA = 21, then the value of (5 sin A-2 cos A)/(4cosA-5/7 sinA) is: यदि A तीसरे चतुर्थाश में स्थित है तथा 20tanA= 21 है, तो (5 sin A-2 cos A)/(4cosA-5/7 sinA) का मान क्या होगा ?

In a triangle ABC, If A=B=120^(@) and R=8r, then the value of cosC is

In a triangle ABC , acosB + b cosC + c cosA =(a+b+c)/2 then

If cosA=(5)/(13) then what is the value of (sinA-cotA)/(2tanA) ?

If A+C=2B, then (cosC-cosA)/(sinA-sinC)=

ABC is a triangle right angled at B and aB:BC=3:4 . What is sinA+sinB+sinC equal to?

CHAMPION PUBLICATION-2019 TIER-II PAPER (2)-EXERCISE
  1. The volume of a solid right circular cylinder of height 8 cm is 392 pi...

    Text Solution

    |

  2. The monthly salaries of A and B are the same. A, B and C donate 10%, 8...

    Text Solution

    |

  3. In triangle ABC, right angled at B, if tanA =1/2, then the value of (...

    Text Solution

    |

  4. A train travelling at 36km/h crosses a pole in 25 seconds. How much ti...

    Text Solution

    |

  5. If (x+y)^3+8(x-y)^3=(3x+Ay)(3x^2+Bxy+ Cy^2), then the value of A+B+C i...

    Text Solution

    |

  6. Amita travels from her house at 3 1/2 km/h and reaches her school 6 mi...

    Text Solution

    |

  7. The circumference of the base of a cylindrical vessel is 158.4cm and i...

    Text Solution

    |

  8. In triangle ABC, D and E are points on the sides AB and AC, respective...

    Text Solution

    |

  9. The value of 4 div 12 of [3 div 4 of {(4-2)xx6 div2}]-2xx6 div 8+3 is:...

    Text Solution

    |

  10. A and B start moving from places X and Y and Y to X, respectively, at ...

    Text Solution

    |

  11. The value of (sin theta+cos theta-1)/(sin theta-cos theta+1) xx sqrt((...

    Text Solution

    |

  12. If 2x^2-7x+5=0, then what is the value of x^2+25/(4x^2) ? यदि 2x^2-7...

    Text Solution

    |

  13. Renu saves 20% of her income. If her expenditure increases by 20% and ...

    Text Solution

    |

  14. Let x be the greatest number which when divides 955, 1027, 1075, the r...

    Text Solution

    |

  15. In triangle PQR, angle P=90^@, S and T are the mid points of the sides...

    Text Solution

    |

  16. If a regular polygon has 16 sides, then what is the measure (in degree...

    Text Solution

    |

  17. The compound interest on a sum of ₹20,000 at 15% p.a for 2 2/3 years, ...

    Text Solution

    |

  18. Study the given graph and answer the question that follows. Production...

    Text Solution

    |

  19. Pipes A and B can fill a tank in 12 minutes and 15 minutes, respective...

    Text Solution

    |

  20. A shopkeeper bought 20 kg of rice at Rs. 55 per kg, 25 kg of rice at R...

    Text Solution

    |