x/2 Sin [(log x )  +  cos  (log x)]

^x/₂ [cos (log x) - sin (logx)]

^x/₂ [ sin (log x)  - cos (log x)]

cos (log x ) - ¹/_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

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)]

None of these

tan^x/₂

x tan ¹/₂ x

cot ^x/₂

x cot ¹/₂ x

2  x² +  c

x²+  c

2 x + c

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

e^x cot ¹/₂ x

e^x tan ¹/₂ x

e^x tan x

e^x cot x.

x⁴+1/x³-129/8

x³+1/x⁴+129/8

x⁴+1/x³+129/8

x³+1/x⁴+129/8