Home
Class 14
MATHS
The [(cos^(2)theta(sinA+cosA))/(co s ec^...

The `[(cos^(2)theta(sinA+cosA))/(co s ec^(2)A(sinA-cosA))+(sin^(2)A(sinA-cosA))/(sec^(2)A(sinA+cosA))](sec^(2)A-co s ec^(2)A)`

A

1

B

3

C

2

D

4

लिखित उत्तर

Verified by Experts

The correct Answer is:
c

`[(cos^(2)Asin^(2).A(sinA+cosA))/((sinA-cosA))+(sin^(2)Acos^(2)A(sinA-cosA))/((sinA+cosA))][(1)/(cos^(2)A)-(1)/(sin^(2)A)]`
`rArr[((sinA+cosA)^(2)+(sinA-cosA)^(2))/((sinA-cosA)(sinA+cosA))]`
`[sin^(2)-cosA]`
`rArr2(sin3A+cos^(2)A)rArr2`
Promotional Banner

टॉपर्स ने हल किए ये सवाल

  • TIME, DISTANCE & TRAIN

    RAKESH YADAV|Exercise Exercise|201 Videos
RAKESH YADAV-TRIGONOMETRY-Exercise
  1. The numerical value of (1)/(1+cot^(2)theta)+(3)/(1+tan^(2)theta)+2sin^...

    Text Solution

    |

  2. xcostheta-ysin^(theta)=2 और xsin^(theta)+ycos^(theta)=4 में से theta ...

    Text Solution

    |

  3. The [(cos^(2)theta(sinA+cosA))/(co s ec^(2)A(sinA-cosA))+(sin^(2)A(sin...

    Text Solution

    |

  4. The value of (1)/(co s e ctheta-cottheta)-(1)/(sintheta) is

    Text Solution

    |

  5. यदि cos^(4)theta-sin^(4)theta=(2)/(3) है तो 1-2sin^(2)theta का मान क्...

    Text Solution

    |

  6. The value of (sinA)/(1+cosA)+(sinA)/(1-cosA) is (0^(@) lt A lt 90^(@))

    Text Solution

    |

  7. यदि rsintheta=1,rcostheta=sqrt(3) है तो (sqrt(3)tantheta+1) का मान क...

    Text Solution

    |

  8. यदि tantheta=(sinalpha+cosalpha)/(sinalpha+cosalpha) है तो sinalpha+c...

    Text Solution

    |

  9. यदि tan^(2)theta=1-e^(2) है तो sectheta+tan^(3)thetaco s ectheta का म...

    Text Solution

    |

  10. if (cosalpha)/(cosbeta)=a and (sinalpha)/(sinbeta)=b, then the value o...

    Text Solution

    |

  11. sintheta=0.7, then costheta,0 le theta lt 90^(@) is sintheta=0.7 है तो...

    Text Solution

    |

  12. यदि 2sintheta+costheta=(7)/(3) है तो (tan^(2)theta-sec^(2)theta) का ...

    Text Solution

    |

  13. किसी भी वास्तविक मान के लिए sqrt((sectheta-1)/(sectheta+1))=?

    Text Solution

    |

  14. The value of sec^(2)theta -(sin^(2)theta-2sin^(4)theta)/(2cos^(4)thet...

    Text Solution

    |

  15. sqrt((1+sintheta)/(1-sintheta))+sqrt((1-sintheta)/(1+sintheta)) is equ...

    Text Solution

    |

  16. यदि (rcostheta-sqrt(3))^(2)+(rsintheta-1)^(2)=0 है तो (rtantheta+sect...

    Text Solution

    |

  17. मान ले की A,B,C,D एक चतुर्भुज के कोण है यदि वे चक्रिये चतुर्भुज के शीर...

    Text Solution

    |

  18. if rsintheta=(7)/(2) and rcostheta=(7sqrt(3))/(2), then value of r is

    Text Solution

    |

  19. if (sectheta+tantheta)/(sectheta-tantheta)=2(51)/(79) then the value o...

    Text Solution

    |

  20. if 1+cos^(2)theta=3sinthetacostheta then the integral value of cotthet...

    Text Solution

    |