Question

The maximum value of f(x) = 2 + sinx, where x € [-π/2,2] is​

Answer 1

Answer:

range of sin x ----[-1,1]

then

-1<= sin X <= 1

so

2-1<=2+sin x <= 1+2

then

1<=2+sinx<=3

hence the answer is

[1,3]