- #1

ok the only thing i can think of to substitute in was (1+tan^2 x)^.5 = sec^2 x ...

so i got the problem down to 1 / (sec^2 x)^.5 + cos and then become stucks

i m thinken i can just say it is 1 / (sec x) + cos... not sure if that will work or not

thanks in advance for any help