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Sine and cosine waves, animation

K003/9301

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Credit

RUSSELL KIGHTLEY / SCIENCE PHOTO LIBRARY RUSSELL KIGHTLEY / SCIENCE PHOTO LIBRARY

Caption

Sine and cosine waves. Animation showing the relationship between a circle (red) and the phases of sine (purple) and cosine (green) waves. The sine wave describes a repetitive oscillation of constant amplitude. As the wheel rotates, the attached rods trace the waves. The maximum amplitude (height) of the sine wave is equal to the radius of the wheel. The amplitude at any given time is dependent on the sine of the angle that the wheel's radius makes with the horizontal plane. The cosine wave lags behind the sine wave at a rate of half pi.

Release details

Model release not required. Property release not required.

Downloadable Master

  • Duration: 00:00:15
  • Audio: No
  • Format: Photo - JPEG

Original

  • Capture Format: QuickTime Animation
  • Codec: H.264
  • Interlaced: Yes
  • Frame Size: 1920 x 1080

Contact us if you require the original or other formats.

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