Lesson 8-3: Trigonometry

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Presentation transcript:

Lesson 8-3: Trigonometry Students will use sine, cosine, and tangent ratios to determine side lengths and angle measures in right triangles. Lesson 8-3: Trigonometry

Trigonometric ratios Sine(angle) = opposite/hypotenuse Cosine(angle) = adjacent/hypotenuse Tangent(angle) = opposite/adjacent SOH – CAH – TOA!!!

Trig Ratios

Trigonometric ratios Sine(angle) = opposite/hypotenuse Cosine(angle) = adjacent/hypotenuse Tangent(angle) = opposite/adjacent SOH – CAH – TOA!!!

Finding the length of a side

Finding the measurement of an angle

Finding the measurement of an angle

Practice: Sides vs. Angles 9. 10.

Word problem

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