GMAT Question of the Day - Daily to your Mailbox; hard ones only

 It is currently 21 May 2019, 12:29

GMAT Club Daily Prep

Thank you for using the timer - this advanced tool can estimate your performance and suggest more practice questions. We have subscribed you to Daily Prep Questions via email.

Customized
for You

we will pick new questions that match your level based on your Timer History

Track

every week, we’ll send you an estimated GMAT score based on your performance

Practice
Pays

we will pick new questions that match your level based on your Timer History

Integrate: ∫ \frac{(1}{1+tanx)}dx ?

Author Message
TAGS:

Hide Tags

Intern
Joined: 03 Jun 2017
Posts: 3

Show Tags

12 Aug 2017, 12:02
00:00

Difficulty:

(N/A)

Question Stats:

67% (00:01) correct 33% (00:11) wrong based on 7 sessions

HideShow timer Statistics

Integrate: ∫ \frac{(1}{1+tanx)}dx ?

A. 12x+12ln|cosx+sinx|+C
B. C+x−log(cos(x)−sin(x))2
C. tan(x/2)
D. −1/2ln|cosx−sinx|+x/2+C
E. 1/2x+1/2ln|cosx+sinx|+C
Math Expert
Joined: 02 Sep 2009
Posts: 55230
Re: Integrate: ∫ \frac{(1}{1+tanx)}dx ?  [#permalink]

Show Tags

12 Aug 2017, 12:04
1
DifferentialCalculus wrote:
Integrate: ∫ \frac{(1}{1+tanx)}dx ?

A. 12x+12ln|cosx+sinx|+C
B. C+x−log(cos(x)−sin(x))2
C. tan(x/2)
D. −1/2ln|cosx−sinx|+x/2+C
E. 1/2x+1/2ln|cosx+sinx|+C

Logarithms and trigonometry are not tested on the GMAT. Ignore this question.
_________________
Re: Integrate: ∫ \frac{(1}{1+tanx)}dx ?   [#permalink] 12 Aug 2017, 12:04
Display posts from previous: Sort by