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  1. J

    Having trouble with Pre calc power-reducing formula identity.?

    Prove the following is an identity. tan^2theta = (1-cos2theta)/(1+cos2theta) I don't know how to work this out.
  2. J

    Signing up for classes at Montclair State University?

    I am signing up for classes for the first time at Montclair online. I have a special case and am not able to go to orientation so I have kinda been on my own. So anyway I am looking at the classes to pick from and the times they are offered. I changed the filter to only list Monday, Wednesday...
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