• Selects an example that requires the use of a compound angle formula
• Uses radians throughout
• Expresses the angle as the sum or difference of two smaller angles for which exact ratios can be found
• Selects and applies compound angle formula correctly - substitutes smaller angles
• Determines the ratios using ratios from special triangles
• Determines the sign of ratios using CAST rule
• Simplifies final expression accurately
• Explanation is clear and organized
• Uses appropriate mathematical terminology
• Diagrams / visuals are used effectively to support explanation

its simple NOTE don't use chatgpt or chegg or I will have to give a report other wise if you do everything correctly then going to give a good rate promise .