The Table Below Shows The Illuminated Percentage Of The Moon On A Lunar Cycle Of 28 Days. The Relationship Can Be Described Using A Cosine Function. A 2-Column Table With 5 Rows. Column 1 Is Labeled D With Entries 0, 7, 14, 21, 28. Column 2 Is Labeled Percent With Entries 0, 48, 96, 48, 0. Use The Drop-Down Menus To Complete Each Statement. The Amplitude Of The Function Is . The Period Of The Function Is . The Graph Has A Vertical Shift Of Units.. This calculator uses the number of days since. Easily determine the moon's illumination percentage.

The table below shows the illuminated percentage of the moon on a lunar cycle of 28 days. The relationship can be described using a cosine function. The moon's appearance changes in a predictable cycle called the lunar phase cycle, which lasts about 29.53 days, known as the synodic month.