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Mathematics
Mathematics
Problem
f
(
x
)
=
2
sin
x
+
cos
2
x
f(x) = 2\sin x + \cos 2x
f
(
x
)
=
2
sin
x
+
cos
2
x
,
0
≤
x
≤
2
π
0 \le x \le 2\pi
0
≤
x
≤
2
π
is maximum at- (A)
x
=
π
/
2
x = \pi/2
x
=
π
/2
(B)
x
=
3
π
/
2
x = 3\pi/2
x
=
3
π
/2
(C)
x
=
π
/
6
x = \pi/6
x
=
π
/6
(D) No where
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