Trigonometry worksheet with right triangle problems to find trigonometric ratios and solve for unknown sides and angles.

Worksheet with trigonometry problems involving right triangles, asking to express sine, cosine, and tangent of angle R as ratios, and to find values of variables x and y using trigonometric functions.

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Show Answer Key & Explanations Step-by-step solution for: Solved Worksheet Trigonometry Express the Sine, Cosine and | Chegg.com

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1. sin R = 24/51, cos R = 45/51, tan R = 24/45
2. sin R = 9/15, cos R = 12/15, tan R = 9/12
3. sin R = 5/10, cos R = 5√3/10, tan R = 5/(5√3)
4. sin R = 3√2/6, cos R = 3√2/6, tan R = 1
11. x ≈ 27, y ≈ 21
12. x ≈ 82, y ≈ 27
13. x ≈ 11, y ≈ 11
14. x ≈ 9, y ≈ 4
15. x ≈ 22, y ≈ 22
16. x ≈ 7, y ≈ 5
17. x ≈ 6, y ≈ 12
18. x ≈ 17, y ≈ 9
19. n ≈ 28
20. n ≈ 65
21. n ≈ 45, x ≈ 7
22. n ≈ 53, x ≈ 8

Parent Tip: Review the logic above to help your child master the concept of sine cosine and tangent worksheet.

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