© examsiri.com
Question : 1 of 160
Marks:
+1,
-0
Solution:
f(x)=sin‌x+cos‌x g(x)=x2−1 g[f(x)]=(sin‌x+cos‌x)2−1 =1+sin‌2‌x−1 =sin‌2‌x
Among the given options,
sin‌2‌x is monotonous (here strictly increasing) in
−≤2≤ .
© examsiri.com
Go to Question: