Evaluate the following integrals: int(...

Evaluate the following integrals:
`int(dx)/((2sinx+cosx+3))`

A

(a) `tan^(-1)(tan""x/2+1)+c`

B

(b) `cotx+1/2cosecx+c`

C

(c) `1/3logabs(2sinx+cosx+3)+c`

D

(d) `logabs(2sinx+cosx+3)+c`

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The correct Answer is:

A

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