All you need to teach the Trigonometry ratio ( sine, cosine, and tangent). 4 colourful and well differentiated worksheets. The first worksheet will help you teach students how to calculate missing side of a right angle triangle using trigonometry ratios while worksheet 2 provides opportunity to calculate the size of missing angle of a triangle. Worksheet 3 helps students to apply trigonometry ratios in real life problems. Last worksheet can be used as quick assessment to check progress in learn