What is $\int\frac{1}{\sin x\cos x}dx$?
Answer & explanation
Correct answer: option 2
$\int\frac{1}{\sin x\cos x}dx=2\int\csc 2x dx=2.(1/2\ln|\tan x|+C)=\ln|\tan x|+C_{1}$
What is $\int\frac{1}{\sin x\cos x}dx$?
Correct answer: option 2
$\int\frac{1}{\sin x\cos x}dx=2\int\csc 2x dx=2.(1/2\ln|\tan x|+C)=\ln|\tan x|+C_{1}$