Home
Class 11
MATHS
cosecA=1/sinA and cotA=cosA/sinA prove c...

`cosecA=1/sinA and cotA=cosA/sinA prove cosecA-cotA=tan(A/2)`

Promotional Banner

Topper's Solved these Questions

  • STRAIGHT LINES

    A N EXCEL PUBLICATION|Exercise QUESTION BANK|167 Videos

Similar Questions

Explore conceptually related problems

Prove that sinA/(1+cosA)=tan(A/2)

Prove that cotA-tanA=2cotA

If sinA=sinBand cosA=cosB , then prove that " sin "(A-B)/(2)=0 .

Express sinA+sin3A and cosA+cos3A in product form

If tanA+tanB=a and cotA+cotB=b prove that cotA cotB= b/a

If tanA=18/17 and tanB=1/35 prove that tan(A-B)=1

Prove that sqrt((1+cosA)/(1-cos A))=cosecA+cot A

int(secxdx)/(sqrt(sin(2x+A)+sinA)) is equal to a) (secA)/(sqrt(2))sqrt(tanxcosA-sinA)+c b) sqrt(2)secAsqrt(tanxcosA-sinA)+c c) sqrt(2) secAsqrt(tanxcosA+sinA)+c d)None of these

Prove that (sec A-cosec A)(1+tan A+cot A)=tan A secA + cotA cosec A

If tanA+tanB=a and cotA+cotB=b.Prove that cot(A+B)= (1/a)-(1/b)

A N EXCEL PUBLICATION-TRIGONOMETRIC FUNCTIONS-QUESTION BANK
  1. Writing 4A=2xx2A prove that sin4A=4sinAcos^3A-4cosAsin^3A

    Text Solution

    |

  2. if sin4A=4sinAcos^3A-4cosAsin^3A Dividing numerator and denominator on...

    Text Solution

    |

  3. cosecA=1/sinA and cotA=cosA/sinA prove cosecA-cotA=tan(A/2)

    Text Solution

    |

  4. Given that 1-costheta=2sin^2(theta/2) and 1+costheta=2cos^2(theta/2)de...

    Text Solution

    |

  5. Given that tantheta=a/b find sin2theta and cos2theta

    Text Solution

    |

  6. Given that tantheta=a/b prove that bcos2theta+asin2theta=b

    Text Solution

    |

  7. Solve 2cos^2t+3sint=0

    Text Solution

    |

  8. Solve sin2theta+costheta=0

    Text Solution

    |

  9. solve sqrt3 costheta+sintheta=sqrt2

    Text Solution

    |

  10. Find the principle and general solution of the following. tan x = s...

    Text Solution

    |

  11. Find the principal and general solutions of the following equations s...

    Text Solution

    |

  12. Find the principal and general solutions of the following equations ...

    Text Solution

    |

  13. Find the principle and general solution of the following. cosec x =...

    Text Solution

    |

  14. Find the general solution of the following equations cos 4x = cos 2x

    Text Solution

    |

  15. Find the general solution of the following equations cos 3x+cos x-co...

    Text Solution

    |

  16. Find the general solution of the following equations sin 2x+ cos x =...

    Text Solution

    |

  17. Find the general solutions for each of the following equations sec^2 2...

    Text Solution

    |

  18. Find the solution of the equation sinx+sin3x+sin5x=0

    Text Solution

    |

  19. What is the principal value of theta if tantheta=-sqrt3?

    Text Solution

    |

  20. Find the general solution of tantheta=-sqrt3

    Text Solution

    |