cos (e^x)

-cos (e^x)

cos c^x)-1

sine^x

2x tan^-1 x - log (1+x²) + C

2 [x tan^-1 x - log (1+x²) + C.

2 x tan^-1x + log (1+x²) + C

2[ tan^-1 + log (1+x²)] + C

None of these

2 √x -  e^√x - 4 √xe^√x  +  c

(2x - 4 √x + 4) e ^√x + C

(1-4√x)e^√x

(1+4√x)^√x

x + cos x   log (sec x + tan x)

x - cos x log sec x

x - cos x log (sec x + tan x)

x + cos x log sec x

2  x² +  c

x²+  c

2 x + c

Sin 2 x

¹/₂ sin 2 x

2 sin 2 x

Sin² 2 x

2

1

0

-1

e^x cot ¹/₂ x

e^x tan ¹/₂ x

e^x tan x

e^x cot x.