Identifying Trig RatiosRelations Between Trigonometric Ratios. Search: Trig Worksheet Answer Key. Warm-up: Write the perfect squares. Trigonometric Ratios - Definition, Formulas, …. Let us have a look at the right-angled triangle shown below. This grade 11 maths worksheet deals with identifying the different types of graphs and functions from straight line graphs to parabolas hyperbolas and exponential ...