Recent content by kjeanch

  1. K

    MHB Deriving expressions using double angle formula?

    How do I use the double angle identity in order to derive this expression: cos6(u)?
    • kjeanch
    • Thread
    • Angle deriving Expressions Formula
    • Replies: 1
    • Forum: Calculus
  2. K

    MHB Richter Scale Earthquake Magnitude Question?

    Hello. I am doing a review sheet for my Pre-Calculus final and one of the questions has me stumped. I'm going through our notes and we never did a problem like this in class. Any help would be greatly appreciated. Thank you. Find the Richter scale magnitude of an earthquake that releases energy...