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  • Mar 3, 2011, 03:17 AM
    IanMarc
    Identities
    1. How do you prove sec2thetasin2theta = sec2theta - 1

    2. how do you prove secant squared theta sine squared theta = cosecant squared theta - 1?
  • Mar 3, 2011, 06:56 AM
    Unknown008

    1.

    This is not a valid identity.

    2.

    Not valid either.

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