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What is the period of the sinusoid given by y=-2sin((2pi/7)x)
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What is the period of the sinusoid given by y=-2sin((2pi/7)x)

User Pramod Nikumbh
by
7.6k points

2 Answers

4 votes

Answer:

7

Explanation:

bcuz my test said so

User EJAg
by
8.5k points
6 votes
y=-2sin((2
\pi/7)x)
y = asin(bx+c)+d and the period is given by the equation T = 2
\pi/b
where T is the period of the function. "a" changes the amplitude only (vertical stretch). ""c" is the left/right phase shift. "d" moves the whole graph up or down.
The coefficient of x in (2
\pi/7)x is 2 pi/7 which would also be equal to b.

T = 2
\pi/(2
\pi/7) = 7
User Kevin Campbell
by
7.8k points
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