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Welcome to Geometry! (1st)
Thurs Learning Target: I will apply inverse trigonometric functions to solve word problems!
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Welcome to Geometry! (2nd)
Thurs Learning Target: I will apply inverse trigonometric functions to solve word problems!
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Welcome to Geometry! (3rd)
Thurs Learning Target: I will apply inverse trigonometric functions to solve word problems!
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Welcome to Geometry! (4th)
Thurs Learning Target: I will apply inverse trigonometric functions to solve word problems!
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Open file for solution!
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Welcome to Geometry! (6th)
Thurs Learning Target: I will apply inverse trigonometric functions to solve word problems!
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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!
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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!
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Our agenda for today: Check HW / Discuss Inverse Trig
Inverse Trig Word Problems Exit Ticket (Socrative)
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Did you do your HW?
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inverses sides angles
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We will check these 3 problems!
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TOA opposite 𝜃= 𝑡𝑎𝑛 −1 ( ) adjacent 𝜽=𝟐𝟒.𝟗𝟎°
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hypo opposite adjacent Which one do you use?!?!
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CAH hypo 𝜃= 𝑐𝑜𝑠 −1 ( ) adjacent 𝜽=𝟕𝟐.𝟓𝟖°
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Remember our problem solving strategy…
GUESS
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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
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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
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Independent Practice 1. Draw all of your pictures FIRST (6 min) 6 min
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Independent Practice 1. Draw all of your pictures FIRST (8 min) 5 min
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Independent Practice 1. Draw all of your pictures FIRST (8 min) 4 min
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Independent Practice 1. Draw all of your pictures FIRST (8 min) 3 min
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Independent Practice 1. Draw all of your pictures FIRST (8 min) 2 min
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Independent Practice 1. Draw all of your pictures FIRST (8 min) 1 min
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Check Your Pictures…
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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
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Socrative.com Room #:
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