Results 1 to 2 of 2

Math Help - Quick question about tangent and cotangent.

  1. #1
    Junior Member
    Joined
    Jan 2010
    Posts
    66

    Quick question about tangent and cotangent.

    Is the following true?

    tan^2 x = \frac{sin^2 x}{cos^2 x}

    cot^2 x = \frac{cos^2 x}{sin^2 x}

    If so, then I've solved an identity. If not, back to the drawing board!
    Follow Math Help Forum on Facebook and Google+

  2. #2
    A Plied Mathematician
    Joined
    Jun 2010
    From
    CT, USA
    Posts
    6,318
    Thanks
    4
    Awards
    2
    Yes. Both are true.
    Follow Math Help Forum on Facebook and Google+

Similar Math Help Forum Discussions

  1. [SOLVED] Quick tangent problem
    Posted in the Calculus Forum
    Replies: 2
    Last Post: February 13th 2011, 06:29 AM
  2. Cotangent pi/2
    Posted in the Geometry Forum
    Replies: 2
    Last Post: July 26th 2009, 01:21 PM
  3. cotangent
    Posted in the Trigonometry Forum
    Replies: 1
    Last Post: October 2nd 2008, 03:29 AM
  4. tangent and cotangent
    Posted in the Trigonometry Forum
    Replies: 1
    Last Post: February 18th 2008, 01:52 PM
  5. Quick question regarding tangent lines
    Posted in the Calculus Forum
    Replies: 4
    Last Post: January 5th 2008, 08:42 AM

Search Tags


/mathhelpforum @mathhelpforum