Recent content by crazy_v

  1. C

    Proving 1 + tan^2X = 1 / cos^2X for 0 < X < 90 in a Right Triangle

    thanks guys yeah that looks a lot more obvious now, thanks anyways
  2. C

    Proving 1 + tan^2X = 1 / cos^2X for 0 < X < 90 in a Right Triangle

    Homework Statement Use the given triangle to prove that for 0 < X <90, 1 + tan^2X = 1 / cos^2X (the given triangle is right angled with angle X marked. The hypotenuse is labeled c, adjacent angle is labeled a and the opposite angle is labeled b) The Attempt at a Solution I have no idea...