What is the derivative of the function $()=$sin$3+$sec$3$f$($x$)=$sin$3$x$+$sec$3$x$?$

Select one:

a$.$

$3$sin$2$cos$+3$sec$23$sin$2$xcosx$+3$sec$2$x

b$.$

$3$sin$2$cos$+3$sec$3$tan$3$sin$2$xcosx$+3$sec$3$xtanx

c$.$

$3$sin$2$cos$3$sec$3$tan$3$sin$2$xcosx$3$sec$3$xtanx

d$.$

$3$sin$2$cos$+3$sec$2$tan$$