Question #44708
1 Answer
Apr 17, 2017
Explanation:
int\ ln(cos(x)sec(x))\ dx
=int\ ln(cos(x)/cos(x))\ dx
=int\ ln(1)\ dx
=int\ 0\ dx
=C
int\ ln(cos(x)sec(x))\ dx
=int\ ln(cos(x)/cos(x))\ dx
=int\ ln(1)\ dx
=int\ 0\ dx
=C