Interactive exploration of Trig Functions/ratios

Here are two versions Excel spreadsheets that can be used to link trigonometric ratios from an unit circle to their graphs. By changing the angle give you can see how sine, cosine and tangent graphs are produced from the ratio’s of height and width from a unit circle. 1. trigonometry.xls = This worksheet produces both sine and cosine graphs together when the angle is varied. 2. trigonometryv2.xls = This worksheet produces all three trig function graphs seperately as the angle varies.