analytic trigonometry and trigonometric applications unit 4
l periodic phenomena such as pendulum swings, sound waves, and alternating current. The general form: \[ y(t) = A \sin (Bt + C) + D \] where: \(A\) is amplitude, \(B\) relates to frequency, \(C\) is phase shift, \(D\) is vertical shift. Analysis: Understanding phase shifts and periods helps i