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Trigonometry Ratios. Example 1 Write the Trig Ratio for each of the following ( soh, cah, toa)

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Presentation on theme: "Trigonometry Ratios. Example 1 Write the Trig Ratio for each of the following ( soh, cah, toa)"— Presentation transcript:

1 Trigonometry Ratios

2 Example 1 Write the Trig Ratio for each of the following ( soh, cah, toa)

3 Example 2 Write each ratio as a fraction and decimal ( soh, cah, toa) change to B

4 Solving Right Triangles : Inverse Functions When you are finding an angle measurement, you must use… _________________________ keys (_________) inverse

5 Example 3 Find the acute angles: ( soh, cah, toa) ****Write as a ratio FIRST**** Change to DEGREE in Calculator

6 Example 4 Find all unknown measures: (find both acute angles and missing side. ) ( soh, cah, toa) Find angles: use inverse key _______________ Find : use Pythagorean Theorem

7 To completely solve a right triangle you must have: _________________ OR ______________________________________ 2 sides lengths One side length and one acute angle

8 Example 5 Find Steps: Set up: 3. Substitute: 4. Solve for x


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