1. Sine, Cosine, Tangent

2. 8.7 Sine, Cosine, And Tangent Essential Question: How do you find the side lengths of a triangle that is not special?

3. opposite adjacent Study of ∆s and relationships between their angles and sides Angles are labeled with uppercase (ex. A) sides are lowercase (ex. a) An angle and its opposite side use the same letter (ex. A and a)

7. 13 12 13 5 5

8. 10√2 15 10 √ 2 15 5 5

9. 12 6√3

10. 5min

11. 8.8 Trig Ratios with a Calculator Essential Question: How do you find side lengths of a triangle that is not special?

13. To find a: To find b:

14. To find c: To find d:

15. Plicker Exit Slip What is sin(A)? A) B) C) D) What is tan(25)? Round to the hundredths. A) 0.42 B) 0.46 C) 0.47 D) 0.91 √17 2√2 5

16. Homework  8.7 ALL  8.8 ALL