Allaudeen posted...DEKMStephens posted...
Allaudeen posted...
X^2 + Y^2 = 1
.
it's a CIRCLE
Sinusoids are derived from the unit circle
Where cosx is the plot of x as you travel the unitcircle in thetha
sinx fis the plot of y
And if anyone has a hard time grasping this, imagine a wheel rolling. Mark a single point, and follow its position as the wheel rolls. It makes a perfect sine wave. It's the basis of trig.
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