Please help me how to solve? Thanks tan t+1/sec t

1 Answer
Mar 11, 2018

=Tan(t+1)*cos(t)

Explanation:

Tan(t+1)/sec(t)

=((sen(t+1))/cos(t+1))/((1)/(cos(t)))

=((sen(t+1))/cos(t+1))*cos(t)

=Tan(t+1)*cos(t)