Home
Class 12
MATHS
Select the correct option from the given...

Select the correct option from the given alternatives: In `/_\ABC`, `ac cosB-bc cosA` = A) `a^2-b^2` B) `b^2-c^2` C) `c^2-a^2` D) `a^2-b^2-c^2`

A

`a^2-b^2`

B

`b^2-c^2`

C

`c^2-a^2`

D

`a^2-b^2-c^2`

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • Trignometric Functions

    CHETANA PUBLICATION|Exercise EXERCISE|113 Videos
  • PROBABILITY DISTRIBUTIONS

    CHETANA PUBLICATION|Exercise EXERCISE|108 Videos

Similar Questions

Explore conceptually related problems

Select the correct option from the given alternatives: The value of cot(tan^-1 2x+cot^-1 2x) is A) 0 B) 2x C) pi+2x D) pi-2x

Select the correct option from the given alternatives The period of cos2theta will be….. A) 2pi B) 3pi C) frac{pi}{2} D) pi

Select the correct option from the given alternatives: In /_\ABC , if c^2+a^2-b^2 = ac then /_B = A) frac{pi}{4} B) frac{pi}{3} C) frac{pi}{2} D) frac{pi}{6}

Select the correct option from the given alternatives: If in a /_\ABC , the angles are in A.P. and b:c =sqrt3 :sqrt2 then A is equal to: A) 30^@ B) 60^@ C) 75^@ D) 45^@

Select the correct options from the given alternatives.The determinant D=|(a,b,a+b),(b,c,b+c),(a+b,b+c,0)|=0 .If

Select and write the correct answer from the given alternatives in each of the following: |(-a^2,ab,ac),(ab,-b^2,bc),(ac,bc,-c^2)| =

Solve the following: In /_\ABC prove the following: ac cosB-bc cosA = (a^2-b^2)

CHETANA PUBLICATION-Trignometric Functions-EXERCISE
  1. Select the correct option from the given alternatives: In /\ABC, if /A...

    Text Solution

    |

  2. Select the correct option from the given alternatives: In /\ABC, if c^...

    Text Solution

    |

  3. Select the correct option from the given alternatives: In /\ABC, ac co...

    Text Solution

    |

  4. Select the correct option from the given alternatives: If in a /\ABC, ...

    Text Solution

    |

  5. Select the correct option from the given alternatives: The value of co...

    Text Solution

    |

  6. Select the correct option from the given alternatives: The principal v...

    Text Solution

    |

  7. If sin^-1(frac{4}{5})+cos^-1(frac{12}{13}) = sin^-1alpha , then alpha...

    Text Solution

    |

  8. Select the correct option from the given alternatives: If tan^-1(2x)+t...

    Text Solution

    |

  9. Select the correct option from the given alternatives: 2tan^-1(frac{1}...

    Text Solution

    |

  10. Select the correct option from the given alternatives: tan(2tan^-1(fra...

    Text Solution

    |

  11. Select the correct option from the given alternatives: The principal v...

    Text Solution

    |

  12. Select the correct option from the given alternatives: cos[tan^-1(frac...

    Text Solution

    |

  13. If tan theta+tan 2theta+tan 3theta = tantheta tan 2theta tan 3theta th...

    Text Solution

    |

  14. Select the correct option from the given alternatives: If any /\ABC, i...

    Text Solution

    |

  15. Select the correct option from the given alternatives: A trigonometric...

    Text Solution

    |

  16. Select the correct option from the given alternatives The period of co...

    Text Solution

    |

  17. Select the correct option from the given alternatives The period of ta...

    Text Solution

    |

  18. Select the correct option from the given alternatives:The number of pr...

    Text Solution

    |

  19. Select the correct option from the given alternatives:The number of pr...

    Text Solution

    |

  20. Select the correct option from the given alternatives: The principal s...

    Text Solution

    |