1. Welcome to Geometry! (1st)
Thurs
Learning
Target:
I will apply inverse trigonometric functions to solve word problems!

3. Welcome to Geometry! (2nd)
Thurs
Learning
Target:
I will apply inverse trigonometric functions to solve word problems!

5. Welcome to Geometry! (3rd)
Thurs
Learning
Target:
I will apply inverse trigonometric functions to solve word problems!

7. Welcome to Geometry! (4th)
Thurs
Learning
Target:
I will apply inverse trigonometric functions to solve word problems!

8. Open file for solution!

9. Welcome to Geometry! (6th)
Thurs
Learning
Target:
I will apply inverse trigonometric functions to solve word problems!

11. Ready for Success! Time’s Up! Learning Target:
1. Pencils Down 2. Body Forward 3. Eyes on Ms. Chui 4. Mouth Closed
Ready for Success!
Learning
Target:
I will apply inverse trigonometric functions to solve word problems!

13. Some announcements Projects were due Friday! Did you email them to me?
Be a self-advocate  Check PS connect daily for grades/attendance
Be responsible  Lesson materials are on the website!

14. Our agenda for today: Check HW / Discuss Inverse Trig
Inverse Trig Word Problems
Exit Ticket (Socrative)

15. Did you do your HW?

16. inverses
sides
angles

17. We will check these 3 problems!

18. TOA
opposite
𝜃= 𝑡𝑎𝑛 −1 ( )
adjacent
𝜽=𝟐𝟒.𝟗𝟎° 

19. hypo
opposite
adjacent
Which one do you use?!?!

20. CAH
hypo
𝜃= 𝑐𝑜𝑠 −1 ( )
adjacent
𝜽=𝟕𝟐.𝟓𝟖° 

21. Remember our problem solving strategy…
GUESS

22. A tree 40 feet high casts a shadow 58 feet long
A tree 40 feet high casts a shadow 58 feet long. Find the measure of the angle of elevation of the sun.
tan-1 ( ) 40 58
= 34.59°
40 ft θ
opp
58 ft
adj

23. A 20-foot ladder leans against a wall so that the base of the ladder is 8 feet from the base of the building. What angle of depression does the ladder create?
sin-1 ( ) 8 θ 20 x
= 23.58°
20 ft
hypo
90 – 23.58
=66.42°
8 ft
opp

24. Independent Practice
1. Draw all of your pictures FIRST (6 min)
6 min

25. Independent Practice
1. Draw all of your pictures FIRST (8 min)
5 min

26. Independent Practice
1. Draw all of your pictures FIRST (8 min)
4 min

27. Independent Practice
1. Draw all of your pictures FIRST (8 min)
3 min

28. Independent Practice
1. Draw all of your pictures FIRST (8 min)
2 min

29. Independent Practice
1. Draw all of your pictures FIRST (8 min)
1 min

30. Check Your Pictures…

36. Bring completed classwork & warm up sheet to me for stamps when done!
Now Solve!
Bring completed classwork & warm up sheet to me for stamps when done!
PICK UP HW # 12

37. Socrative.com
Room #: