Finding the 1th Order Derivative of Function lg（secx） on x
    Finding the 1th Order Derivative of Function limxln(x^2+x) on x
    Finding the 1th Order Derivative of Function xln(x^2+x); on x
    Finding the 1th Order Derivative of Function sin（x/π）; on x
    Finding the 1th Order Derivative of Function sinx/π on x
    Finding the 1th Order Derivative of Function √24×（1-x∧2） on x
    Finding the 1th Order Derivative of Function -x/lnx on x
    Finding the 1th Order Derivative of Function (tanx)^3 on x
    Finding the 2th Order Derivative of Function ch(cos(x)+1) on x
    Finding the 1th Order Derivative of Function sh(ch(x)) on x
    Finding the 1th Order Derivative of Function acotx^3 on x
    Finding the 1th Order Derivative of Function -2x^2+2x on x
    Finding the 1th Order Derivative of Function 2√2 on x
    Finding the 1th Order Derivative of Function 2sqrt2 on x
    Finding the 1th Order Derivative of Function (cosx)^2; on x
    Finding the 2th Order Derivative of Function xe^y/x on x
    Finding the 1th Order Derivative of Function （2*x∧n+3)∧n∧（-1） on x
    Finding the 1th Order Derivative of Function （2*x∧n+3)∧1/n on x
    Finding the 1th Order Derivative of Function 0.5(tanx)^2 on x
    Finding the 1th Order Derivative of Function 0.5tanx^2 on x

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