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Lesson 13.1 Right Triangle Trigonometry

Explore the principles of right triangle trigonometry including hypotenuse, opposite leg, adjacent leg, SOH-CAH-TOA, 30°-60°-90, 45°-45°-90 triangles, and how to find exact values. Learn to find trigonometric values, use trig ratios, solve for missing sides, and discover angles of elevation and depression in practical scenarios. Enhance your understanding through comprehensive examples and free triangle calculators.

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Lesson 13.1 Right Triangle Trigonometry

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  1. Lesson 13.1 Right Triangle Trigonometry Hypotenuse Opposite Leg Adjacent Leg SOH CAH TOA

  2. 60° 2 1 30° Finding Exact Values 30-60-90

  3. 45° 2 45° 1 45° 45° 1 Finding Exact Values 45-45-90

  4. Example 1 Find Trigonometric Values [A] 5 3 4

  5. Example 1 Find Trigonometric Values [B] 13 5 12

  6. Example 2 Use one Trig Ratio to find others [A]

  7. Example 2 Use one Trig Ratio to find others [B] 5 3

  8. Example 3 Find missing sides of Right Triangles Calculator Free [A] SOH CAH TOA 8 30° x

  9. Example 3 Find missing sides of Right Triangles Calculator Free [B] 60° SOH CAH TOA x 12

  10. Example 3 Find missing sides of Right Triangles Calculator Free [C] SOH CAH TOA 45° 12 x

  11. Example 3 Find missing sides of Right Triangles Calculator Free [D] SOH CAH TOA 45° 10 x

  12. Example 4 Solve a Triangle Solve triangle ABC. Round lengths to the nearest tenth. C Angles A = B = C = Sides a = b = c = 35° 10 B A

  13. C 5 B A 12 Example 5 Solve a Triangle with Missing Angle Solve triangle ABC. Round lengths to the nearest tenth. Angles A = B = C = Sides a = b = c =

  14. Example 6 Angle of Elevation and Depression Line of Sight Line of Sight

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