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MaRussiya [10]
3 years ago
11

Please help!! MATH | WILL MARK BRAINLIEST!! 40 POINTS

Mathematics
1 answer:
madreJ [45]3 years ago
3 0

Answer:

y = 9 cos [(⅕pi)x]

Step-by-step explanation:

Amplitude = 9

Period = 10

2pi/10 = pi/5

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