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In this inquiry-based project students will learn about how to use basic trigonomic functions such as cosine, tangent and sine to find the missing sides and angles of a right-angle triangle. Students will explore how fireworks of varying heights will have an effect on the viewing angle and line of sight for the viewing audience. Students will design their own fireworks show that will include 4 different colours of fireworks. Each firework choice has a differing height which will slightly change the size of the triangle. Students will complete a number of calculations, draw and label the triangles to scale, and answer a number of reflection questions in this project.