Answer:
![y=3\sin(2x)](https://img.qammunity.org/2021/formulas/mathematics/high-school/uyx1e9upozoa72c355t34wmx7isxhl25w3.png)
Explanation:
To find the equation of a sinusoidal curve, you need to know the period and the amplitude. The amplitude can clearly be seen to be at 3, while the period is just
. Since there isn't any vertical or horizontal shift, the equation is simply:
![y=3\sin(2x)](https://img.qammunity.org/2021/formulas/mathematics/high-school/uyx1e9upozoa72c355t34wmx7isxhl25w3.png)
Hope this helps!