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Web Period It's definitely not sec − 2 x That's just pure nonsense In fact, if you are thinking of tan − 1 x as the reciprocal of the tangent function, then the derivative of 1 tan xWebAnswer to Find dy / dx y = (x 1)^2 (x^2 1)^{3} By signing up, you'll get thousands of stepbystep solutions to your homework questions YouWebCalculus Find dy/dx y^2=1/ (1x^2) y2 = 1 1 − x2 y 2 = 1 1 x 2 Differentiate both sides of the equation d dx (y2) = d dx ( 1 1−x2) d d x ( y 2) = d d x ( 1 1 x 2) Differentiate the left side Ex 5 7 17 If Y Tan 1 X 2 Show X2 1 Y2 2x X2 1 Y=tan^-1(2x/1-x^2) find dy/dx