Calculus

posted by Anonymous

Differentiate.
cos^-1 2x

  1. bobpursley

    is this arccos (2x)?

    or do you mean 1/(cos 2x)

  2. Steve

    I think we can assume arccos.

    If so, then recall that d/dx (arccos(u)) = -1/√(1-u^2) du/dx

    Now just plug and chug.

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