y'=(1/√cosx²)'=(1'·√cosx²-(√cosx²)'·1) / cosx² =(0 - 1/(2√cosx²)·(-sinx²)·2x /cosx²=
xtgx²/ √cosx².
Copyright © 2024 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
Verified answer
y'=(1/√cosx²)'=(1'·√cosx²-(√cosx²)'·1) / cosx² =(0 - 1/(2√cosx²)·(-sinx²)·2x /cosx²=
xtgx²/ √cosx².