logo

Ask Questions, Get Answers

 
X
 Search
Want to ask us a question? Click here
Browse Questions
Ad
Home  >>  JEEMAIN and AIPMT  >>  Mathematics  >>  Class12  >>  Integral Calculus
0 votes

Integrate : $\int \large\frac{\cos 2 x}{\sin ^2 x \cos ^2 x }$$dx$

$(a)\;-\cot x -\tan x +c \\(b)\;\cos x +\tan x +c \\(c)\;\cos x - \tan x +c \\ (d)\;\sin x - cosec x +c $
Can you answer this question?
 
 

1 Answer

0 votes
$\int \large\frac{\cos ^2 x -\sin ^2 x }{\sin ^2 x \cos ^2 x }$$dx$
$=\int cosec ^2 x dx-\int \sec^2 x dx $
$=-\cot x -\tan x +c$
Hence a is the correct answer.
answered Dec 30, 2013 by meena.p
 
Ask Question
student study plans
x
JEE MAIN, CBSE, NEET Mobile and Tablet App
The ultimate mobile app to help you crack your examinations
Get the Android App
...