None of these
log (tan x)
cot (log x)
log log (tan x)
tan (log x)
ex cot 1/2 x
ex tan 1/2 x
ex tan x
ex cot x.
2
1
0
-1
∫√x . e√x dx =
2 √x - e√x - 4 √xe√x + c
(2x - 4 √x + 4) e √x + C
(1-4√x)e√x
(1+4√x)√x
∫Sec3x dx =
1/2 [tan x sec x + log (tan x + sec x)]
1/2 [tan x sec x - log (tan x + sec x)]
1/2 [tan x sec x - log (sec x - tan x)]
1/2 [ tan x sec x + log (sec x - tan x)]
log cos (log x)
log sin (log x)
log sec (log x ) + c
tanx/2
x tan 1/2 x
cot x/2
x cot 1/2 x