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7.7 Solve Right Triangles Obj: Students will be able to use trig ratios and their inverses to solve right triangles.

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Presentation on theme: "7.7 Solve Right Triangles Obj: Students will be able to use trig ratios and their inverses to solve right triangles."— Presentation transcript:

1 7.7 Solve Right Triangles Obj: Students will be able to use trig ratios and their inverses to solve right triangles.

2 Solve a Right Triangle Solve a Right Triangle – Find the measure of all sides and angles Pythagorean Theorem Given: Two sides Find: Side length Trig Ratios Given: One side length & one acute angle Find: Side lengths Inverse Trig Ratios Given: Two side lengths Find: Angle measure

3 Inverse Trig Ratios

4 Inverse Sin Ratio

5 Example Use a calculator to approximate the measure of angle A.

6 Inverse Cos Ratio

7 Example Use a calculator to approximate the measure of angle A.

8 Inverse Tan Ratio

9 Example Use a calculator to approximate the measure of angle A.

10 Solve the Right Triangle
Pythagorean theorem Trig ratios Inverse Trig Ratios

11 Solve the Right Triangle
Pythagorean theorem Trig ratios Inverse Trig Ratios

12 Assignment Pg 485 #1, 4-18 even, 34, 43

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