Home
Class 14
MATHS
If sin(A-B) =1/2 and cos(A+B) =1/2, wher...

If `sin(A-B) =1/2` and `cos(A+B) =1/2`, where `A>B>0^@`, and A+B is an acute angle, then the value of A is:
यदि `sin(A-B) =1/2` and `cos(A+B) =1/2` तो A+B का मान ज्ञात करें , जहाँ `A>B>0^@` और A एक न्यून कोण है

A

a)`45^@`

B

b)`30^@`

C

c)`15^@`

D

d)`75^@`

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • SSC MATHS MAINS 2018 TRIGNOMETRY

    PINNACLE|Exercise Exercise|29 Videos

  • WORK AND TIME

    PINNACLE|Exercise EXERCISE|209 Videos

Similar Questions

Explore conceptually related problems

If sin (A - B) = 1/2 and cos (A + B) = 1/2 where A > B > 0 and A + B is an acute angle, then the value B is

If sin(A-B)=1/2 and cos(A+B)=1/2 , find A and B.

If sin(A-B)=1/2 and cos(A+B)=1/2,0^(^^)Q B, then find A and B

If A is an acute angle and cotA+ CosecA = 3, then the value of Cos A is equal to: यदि cotA+ CosecA = 3, तो Cos A का मान ज्ञात करें जहाँ A एक न्यून कोण है

If sin A=(2)/(sqrt(5)) and cos B=(1)/(sqrt(10)), where A and B are acute angles,then what is the value of A+B

If A:B is 2:3 and B-A = 28, then what is the value of B+A? यदि A:B = 2:3 तथा B-A = 28 है , तो B+A का मान ज्ञात करें |

If : sin(A-B)=cos(A+B)=(1)/(2), "then" : (A,B)

If sin A= cos B , where A and B are acute angles, then A+B =__________

If cos(A+B) = 0 and sin(A-B) = 1/2, then the value of B is: (Given 0^@ यदि cos(A+B) = 0 और sin(A-B) = 1/2, B का मान है:

PINNACLE-TRIGONOMETRY-EXERCISE
  1. If (sec theta+tan theta)/(sec theta-tan theta)=5, and theta is an acut...

    Text Solution

    |

  2. If sin(theta+30^@)=3/sqrt12, then the value of theta is equal to: यद...

    Text Solution

    |

  3. If sin(A-B) =1/2 and cos(A+B) =1/2, where A>B>0^@, and A+B is an acute...

    Text Solution

    |

  4. If alpha+beta=90^(@),alpha=2beta, then find the value of cos^(2)alpha+...

    Text Solution

    |

  5. If sec theta+tan theta= 2+sqrt5 and theta is an acute angle, then the ...

    Text Solution

    |

  6. The elimination of theta from x cos theta+ysin theta=2 and xsin theta-...

    Text Solution

    |

  7. If tan theta+cot theta=2 and theta is acute, then the value of tan^10...

    Text Solution

    |

  8. If A is an acute angle and cotA+ CosecA = 3, then the value of Cos A i...

    Text Solution

    |

  9. If cosec theta =13/12, then the value of (2 sin theta -3cos theta )/(4...

    Text Solution

    |

  10. If (sec theta+tan theta)/(sec theta-tan theta)=5, and theta is an acut...

    Text Solution

    |

  11. If sin(theta+30^@)=3/sqrt12, then the value of theta is equal to: यद...

    Text Solution

    |

  12. If sin(A-B) =1/2 and cos(A+B) =1/2, where A>B>0^@, and A+B is an acute...

    Text Solution

    |

  13. If cos27^@=x, then the value of tan 63^@ is: यदि cos27^@=x है, तो ta...

    Text Solution

    |

  14. If tan theta =2/sqrt11,0< theta < 90^@, then the value of (2 cosec^2 t...

    Text Solution

    |

  15. Find the value of (Cos30^@-sin30^@)/ (Sin60^@+Cos60^@) (Cos30^@-sin3...

    Text Solution

    |

  16. If sec^2 x-3secx+2=0, then the value of x (0<x<90^@) is: यदि sec^2 ...

    Text Solution

    |

  17. If cosec theta +cot theta=2, then Sin theta is: यदि cosec theta +co...

    Text Solution

    |

  18. (sin theta +cos theta )^2=2, 0^@< theta <90^@, then the value of theta...

    Text Solution

    |

  19. If cosecA =25/7, then what is the value of Tan A? यदि cosecA =25/7,...

    Text Solution

    |

  20. Find the value of Cos 225^@ Cos 225^@ का मान ज्ञात कीजिए

    Text Solution

    |