What is the product rule?
dy/dx =(du/dx)v + (dv/dx)u
What is the quotient rule?
dy/dx = (du/dx)v - (dv/dx)u / v²
State the differential of tan(kx)
ksec²(kx)
State the differential of cosec(kx)
-kcosec(kx)cot(kx)
State the differential of sec(kx)
ksec(kx)tan(kx)
State the differential of cot(kx)
-kcosec²(kx)