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Physics
Physics
Problem
Find the principal axis of: (a)
y
=
−
1
3
sin
(
x
−
π
4
)
+
5
y = -\frac{1}{3} \sin\left(x - \frac{\pi}{4}\right) + 5
y
=
−
3
1
sin
(
x
−
4
π
)
+
5
(b)
y
=
2
cos
x
3
−
4
y = 2 \cos \frac{x}{3} - 4
y
=
2
cos
3
x
−
4
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