Home
Class 14
MATHS
The value of (1)/(co s e ctheta-cottheta...

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

A

1

B

`cot theta`

C

`co s ectheta`

D

`tantheta`

लिखित उत्तर

Verified by Experts

The correct Answer is:
b

`(1)/(co s ectheta-cottheta)-(1)/(sintheta)`
`rArr(co s ec^(2)theta-cot^(2)theta)/(co s ectheta -cottheta)-co s ec theta`,
`[1=co s ec^(2)theta-cot^(2)theta]`
`rArrco s ectheta+cottheta-co s ectheta=cottheta`
Promotional Banner

टॉपर्स ने हल किए ये सवाल

  • TIME, DISTANCE & TRAIN

    RAKESH YADAV|Exercise Exercise|201 Videos
RAKESH YADAV-TRIGONOMETRY-Exercise
  1. xcostheta-ysin^(theta)=2 और xsin^(theta)+ycos^(theta)=4 में से theta ...

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  20. यदि (coalpha)/(cosbeta)=n और (cosalpha)/(cosbeta)=m, है तो cos^(2)bet...

    Text Solution

    |