……….(i)
= 
= 
Now 
= 0
or 
or 
[Turning points]
Now 
= 0 + 1 = 1
1 + 0 = 1
= 1
Therefore, absolute maximum is 
and absolute minimum is 1.
Find the absolute maximum and minimum values of the function f given by f (x) = cos^2 x + sin x, x ∈ [0, π]
Find the absolute maximum and minimum values of the function f given by f (x) = cos^2 x + sin x, x ∈ [0, π]