Differentiate secxtanx with respect to x
ddx[secxtanx]
=secxtanx.ddx[lu(secxtanx)]
=sectanxx(sec2xlu(secx)+secxtan2xsecx)
=sectanxx(sec2xlu(secx)+tan2x)
Differentiate the following functions with respect to x :
x tan xsec x+tan x