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The equation
is satisfied at specific angles where the sine function crosses the x-axis. In the interval
, this occurs at
,
, and
. These angles indicate the points where the corresponding y-values of the sine function are zero.
In practical terms, knowing where
is essential in various fields such as engineering and physics, especially in analyzing wave functions and oscillations. For instance, these angles can help determine the moments when a pendulum is at rest at its equilibrium positions, playing a crucial role in designing mechanisms and understanding motion in real-world applications.