Projects

Year 9 Interactive Maths - Second Edition

Project 15.1 Table of Sine Values
Draw the unit circle shown, and divide the radius into 10 equal parts along the axes so that each part represents 0.1. Then divide the circle into 8 equal parts, as shown by the ticks.
1. Find coordinates of the following points: a. A b. B c. C d. D e. P 2. Use a trig-master (or ruler and protractor) to create a table of sine values correct to one decimal place. Extensions 5. A table of cosine values can be created with the help of a unit circle (or trig-master). Investigate. 6. A table of tangent values can be created with the help of a unit circle (or trig-master). Investigate. Your report should include the following: The statement of the problem in your own words The tables, graphs and all working References Acknowledgments Appendices Project 15.2 Exact Values

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