Question

sin? x. secx+2 tan x.sin-'x. Vir?
dx =
1-2 (1 + tan?
1) (cos2x).(sin-x)+c 2) (sin’x).(sin- x)+c
sin
x)
3) (secºx).(cos-x)+c
4) (sec?x).(tan" x)+c​

Answer 1

Step-by-step explanation:

I think this is the correct answer