Looking for an engaging sine and cosine graphing project for your Algebra 2 or Precalculus students? This Sine and Cosine Flag Project combines trigonometric functions, creativity, and cultural connections as students design a flag using sine and cosine waves flowing in the wind. Perfect for Memorial Day, Fourth of July, Labor Day, or Veteran's Day! Students apply their understanding of amplitude, period, midline, maximums, minimums, and function equations while creating a meaningful visual