Results 1 to 7 of 7

Math Help - trigonometric equation 2)

  1. #1
    Newbie
    Joined
    Sep 2011
    Posts
    16

    trigonometric equation 2)

    1-\frac{cos^2x}{1+cosx}=sinx
    Follow Math Help Forum on Facebook and Google+

  2. #2
    MHF Contributor
    Prove It's Avatar
    Joined
    Aug 2008
    Posts
    11,829
    Thanks
    1602

    Re: trigonometric equation 2)

    Quote Originally Posted by deathmate View Post
    1-\frac{cos^2x}{1+cosx}=sinx
    What are you trying to do? Solve this equation? Or show it's an identity?
    Follow Math Help Forum on Facebook and Google+

  3. #3
    Newbie
    Joined
    Sep 2011
    Posts
    16

    Re: trigonometric equation 2)

    Quote Originally Posted by Prove It View Post
    What are you trying to do? Solve this equation? Or show it's an identity?
    uppsss, sorry , i need to make equal ,left hand like right hand ,my apologies!
    Follow Math Help Forum on Facebook and Google+

  4. #4
    MHF Contributor
    Prove It's Avatar
    Joined
    Aug 2008
    Posts
    11,829
    Thanks
    1602

    Re: trigonometric equation 2)

    Quote Originally Posted by deathmate View Post
    uppsss, sorry , i need to make equal ,left hand like right hand ,my apologies!
    And what makes you think that they are equal? Are you sure that you copied the question correctly?
    Follow Math Help Forum on Facebook and Google+

  5. #5
    Member anonimnystefy's Avatar
    Joined
    Jul 2011
    Posts
    157
    Thanks
    3

    Re: trigonometric equation 2)

    hi PI

    i think he wants the number x for which the above equation is true.he wants to solve it.
    Follow Math Help Forum on Facebook and Google+

  6. #6
    Newbie
    Joined
    Sep 2011
    Posts
    16

    Re: trigonometric equation 2)

    i need to prove that the left side is equal to the right!
    Follow Math Help Forum on Facebook and Google+

  7. #7
    MHF Contributor
    Prove It's Avatar
    Joined
    Aug 2008
    Posts
    11,829
    Thanks
    1602

    Re: trigonometric equation 2)

    Quote Originally Posted by deathmate View Post
    i need to prove that the left side is equal to the right!
    It doesn't!
    Follow Math Help Forum on Facebook and Google+

Similar Math Help Forum Discussions

  1. Trigonometric equation
    Posted in the Trigonometry Forum
    Replies: 5
    Last Post: March 6th 2011, 12:27 AM
  2. trigonometric equation
    Posted in the Differential Equations Forum
    Replies: 15
    Last Post: November 18th 2010, 01:30 PM
  3. Trigonometric Equation
    Posted in the Trigonometry Forum
    Replies: 2
    Last Post: July 6th 2009, 02:37 PM
  4. Replies: 2
    Last Post: April 28th 2009, 07:42 AM
  5. Trigonometric equation:
    Posted in the Trigonometry Forum
    Replies: 2
    Last Post: December 15th 2008, 09:21 PM

Search Tags


/mathhelpforum @mathhelpforum