# Chapter 7: Right Triangles and Trigonometry 7.6.1 Apply The Sine and Cosine Ratios.

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Chapter 7: Right Triangles and Trigonometry 7.6.1 Apply The Sine and Cosine Ratios

Sine Ratio  SOH, CAH, TOA  Yesterday we did TOA, tangent ratio  Today we do SOH, sine ratio A C B Opposite Adjacent Hypotenuse SOH ine of A is equal topposite (side) divided byypotenuse

Find the value of Sin(A) A C B 9 15 12

Calculator  Any time you see a degree symbol(ex. 83 ⁰ ) the calculator must be in degree mode, learn how your calculator is used, this is instructions for the Ti-83 calculator Me, C s 32)e

Find the value of x and y  m  B = 12 ⁰ A C B 500yards x y

Homework  p.477   1, 3 – 6, 10 – 15 (sine only is possible), 19 – 21 (sine only), 23 – 27 (sine only), 33

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