CUSAT 2021 BTech Solved Paper Shift 1

© examsiri.com
Question : 173 of 250
 
Marks: +1, -0
If f(x)=cos(log‌x), then f(x2)f(y2)−‌
1
2
[f(x2∕y2)+f(x2y2)]
, has the value of
Go to Question: