Differentiate the given functions. 1. g(x)=(1)/(2) sec^(-1)(4)/(x)+2csc^(-1)4x 2. (X)=6sin^(-1)\sqrt(1-x^(2)) 3. h(x)=xsin^(-1)2X 4. y=sec^(-1)\sqrt(x^(2)) +4 5. y=cos^(-1)(sinx)