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Calculus Review for exam grade 12, please help.

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use the derivatives of y=sinx and y=cosx to develop the derivative of y=tanx

  • Calculus Review for exam grade 12, please help. - ,

    tan = sin/cos
    tan' = (cos*cos + sin*sin)/cos^2 = 1/cos^2 = sec^2

  • Calculus Review for exam grade 12, please help. - ,

    thank u !

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