# Calculus

posted by
**Lee**
.

Evaluate the indefinite integral

integral sec(t/2) dt=

a)ln |sec t +tan t| +C

b)ln |sec (t/2) +tan (t/2)| +C

c)2tan^2 (t/2)+C

d)2ln cos(t/2) +C

e)2ln |sec (t/2)+tan (t/2)| +C

posted by
**Lee**
.

Evaluate the indefinite integral

integral sec(t/2) dt=

a)ln |sec t +tan t| +C

b)ln |sec (t/2) +tan (t/2)| +C

c)2tan^2 (t/2)+C

d)2ln cos(t/2) +C

e)2ln |sec (t/2)+tan (t/2)| +C