Find the derivative of the following functions (it is to be understood that a,b,c,d,p,q,r and s are fixed non-zero constants and m and n are integers):
`x/(1+tanx)`.

Find the derivative of the following function (it is to be understood that a, b, c, d,p, q, r and s are fixed non-zero constants and m and n are integers): x/(1+tan x)

Find the derivative of the following function (it is to be understood that a, b, c, d,p, q, r and s are fixed non-zero constants and m and n are integers): (ax+b)^n

Find the derivative of the following function (it is to be understood that a, b, c, d,p, q, r and s are fixed non-zero constants and m and n are integers): (x + a)

Find the derivative of the following function (it is to be understood that a, b, c, d,p, q, r and s are fixed non-zero constants and m and n are integers): (cos x)/(1+sin x)

Find the derivative of the following function (it is to be understood that a, b, c, d,p, q, r and s are fixed non-zero constants and m and n are integers): x/(sin^n x)

Find the derivative of the following function (it is to be understood that a, b, c, d,p, q, r and s are fixed non-zero constants and m and n are integers): sin^n x

Find the derivative of the following function (it is to be understood that a, b, c, d,p, q, r and s are fixed non-zero constants and m and n are integers): (x + cosx) (x-tanx)

Find the derivative of the following function (it is to be understood that a, b, c, d,p, q, r and s are fixed non-zero constants and m and n are integers): (px + q)(r/x+s)

Find the derivative of the following function (it is to be understood that a, b, c, d,p, q, r and s are fixed non-zero constants and m and n are integers): (1+1/x)/(1-1/x)

Find the derivative of the following function (it is to be understood that a, b, c, d,p, q, r and s are fixed non-zero constants and m and n are integers): (a + bsin x)/(c+d cos x)