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Published byNatalie Doyle Modified over 4 years ago

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**Objective - To use basic trigonometry to solve right triangles.**

z x b Angle to Angle Relationships Side to Side Relationships Angle to Side Relationships

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**sohcahtoa y 5 3 x 4 Opposite Sine = Hypotenuse Adjacent Cosine =**

Tangent = Adjacent

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sohcahtoa y 13 5 x 12

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**Use your trig table or calculator to find the given**

trigonometric ratios rounded to nearest thousandth.

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**Using Trig Ratios to Solve Right Triangles**

Solve for the missing side. 1) 2) 10 x y 25

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**Using Trig Ratios to Solve Right Triangles**

Solve for the missing side. 15 3) 4) y x 18

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**Using Trig Ratios to Solve Right Triangles**

Solve for the missing side. 5) 6) 30 14 x y

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**Use your trig table or calculator to find the missing**

angle x that has the given trig ratio.

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**Using Trig Ratios to Solve Right Triangles**

Solve for the missing side. 7) 8) 30 20 15 12

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Notes 7-4 Trigonometry. In Right Triangles: In any right triangle If we know Two side measures: We can find third side measure. Using Pythagorean.

Notes 7-4 Trigonometry. In Right Triangles: In any right triangle If we know Two side measures: We can find third side measure. Using Pythagorean.

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