1. 1.Name the different types of triangles 2.What is the angle sum of a triangle rule? 3.What is Pythagorean Theorem and when can we use it? 4.What do you know about similar triangles? 5.What are the primary trig ratios? 6.How can you use the primary trig ratio? 7.What is Sine Law and when can you use it? 8.What is Cosine Law and when can you use it? Unit 4: Trigonometry Minds On

2. 1.Name the different types of triangles Unit 4: Trigonometry Minds On

3. 2.What is the angle sum of a triangle rule? Unit 4: Trigonometry Minds On

4. 3.What is Pythagorean Theorem and when can we use it? Unit 4: Trigonometry Minds On

5. 4.What do you know about similar triangles? Unit 4: Trigonometry Minds On

6. 5.What are the primary trig ratios? Unit 4: Trigonometry Minds On

7. 6.How can you use the primary trig ratio? Unit 4: Trigonometry Minds On

8. 7.What is Sine Law and when can you use it? Unit 4: Trigonometry Minds On

9. 8.What is Cosine Law and when can you use it? Unit 4: Trigonometry Minds On

10. Learning Goals: I can determine the value of the Reciprocal Trig Ratios Unit 4: Trigonometry Lesson 1 – Reciprocal Trig Ratios

11. Unit 4: Trigonometry Lesson 1 – Reciprocal Trig Ratios What is a reciprocal?

12. Unit 4: Trigonometry Lesson 1 – Reciprocal Trig Ratios Primary Trig Ratios Reciprocal Trig Ratios

13. Unit 4: Trigonometry Lesson 1 – Reciprocal Trig Ratios Since most calculators don’t have Csc, Sec, and Cot, buttons, we can calculate them using the primary trig ratios.

14. Unit 4: Trigonometry Lesson 1 – Reciprocal Trig Ratios If θ = 30º, determine the value of Csc θ.

15. Unit 4: Trigonometry Lesson 1 – Reciprocal Trig Ratios

16. Unit 4: Trigonometry Lesson 1 – Reciprocal Trig Ratios

17. Unit 4: Trigonometry Lesson 1 – Reciprocal Trig Ratios

18. Unit 4: Trigonometry Lesson 1 – Reciprocal Trig Ratios Determine the value for “x”. 5 cm x

19. Unit 4: Trigonometry Lesson 1 – Reciprocal Trig Ratios Homework  Pg. 280 #1, 4, 6, 7, 9, 10, 11, 13, 14