Mark the correct alternative in the following:
If f(x) = cos (log x), then value of 
is
Now, 
Using: 
=cos(log x) cos(log 4)-cos(log x)cos(4)
=0
Option C is correct..
1
Mark the correct alternative in the following:
If f(x) = cos (log x), then value of is
Now,
Using:
=cos(log x) cos(log 4)-cos(log x)cos(4)
=0
Option C is correct..