|sinx+cosx|
a) <=2
b)>=root2
c)<=root2
d<=1/rot2
Hi Anurag,
|sinx+cosx|=|√2(sin(x+∏/4))|
-1≤(sin(x+∏/4))≤1
-√2≤√2(sin(x+∏/4))≤√2
|√2(sin(x+∏/4))|≤√2
ans: c
Prepraring for the competition made easy just by live online class.
Full Live Access
Study Material
Live Doubts Solving
Daily Class Assignments
Last Activity: 3 Years ago