What are the amplitude, period, and phase shift of the given function?
) = -cos (3
- cos (37 - 21)
2
a.
1
C.
amplitude:
2
amplitude:
2
2
phase shift: -
3
period: 37
amplitude:
2
2
phase shift:
3
2
b.
1
d.
3
phase shift: -
2
period: 37
3
amplitude:
2
phase shift: -2
2
period: -
3
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period: ---