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Using algebra with trigonometry. Tangent ratio. 7. . 8. . 18. . 19. . 19. . 21. 23. . 24. 24. 25. Using trigonometry with algebra. Sine and cosine ratios. 10. . Use a sine or cosine ratio to find the value of each variable. Round decimals to the nearest tenth. 11. .
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Using algebra with trigonometry Tangent ratio
7. 8.
18. 19. 19.
21. 23.
24. 24. 25.
Using trigonometry with algebra Sine and cosine ratios
10. Use a sine or cosine ratio to find the value of each variable. Round decimals to the nearest tenth. 11.
Use a sine or cosine ratio to find the value of each variable. Round decimals to the nearest tenth. 12. 13.
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21. 19. 20.
Using triangle A to create the side length ratios, we get: ; ; . Prove that all other triangles have the same ratio. Prove that they are all similar. An example is given. F E D C B A Triangle B