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Why is chatiw not working as well? Http://s3.amazonaws.com/answer-board-image/cramster-equation-20096262135456338164894520475005715.gif? What is cos^2(2x)-sin(2x)? Are harmonic components and 90 degrees out of phase components are same or different? An object is traveling around a circle with a radius of 4 meters. If in 30 seconds the object travels 7 meters, what is its angular speed?