CP Trig. Sect. 1.2 Day 2.notebook
Warm Up
Express in decimal degrees
1)
2)
Express in degrees, minutes, seconds
1)
2)
Find the smallest positive coterminal angle
1)
2)
Questions from HW?
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CP Trig. Sect. 1.2 Day 2.notebook
Section 1.2 Day 2
Objectives:
*To reinforce knowledge of new terminology.
*To solve "clock" problems.
Clock Problems
Our goal: to find the smallest angle formed between the hands of the clock.
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CP Trig. Sect. 1.2 Day 2.notebook
Think about clocks...
Questions to consider:
1) How many degrees are in a clock?
2) Make a prediction about how many degrees are moved by the hour hand each hour.
3) Make a prediction about how many degrees are moved by the minute hand each minute.
Find the smallest angle formed between the hands of the clock at 2:00
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CP Trig. Sect. 1.2 Day 2.notebook
Find the smallest angle formed between the hands of the clock at 5:00
Examples to try...
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CP Trig. Sect. 1.2 Day 2.notebook
Clock problems with "odd" times
Find the smallest angle formed between the hands of the clock.
Time: 4:16
Step #1:
Step #2
Clock problems with "odd" times
Find the smallest angle formed between the hands of the clock.
Time: 1:12
Step #1:
Step #2
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CP Trig. Sect. 1.2 Day 2.notebook
You try...
Find the smallest angle formed between the hands of the clock:
1) 8:42 2) 6:17
3) 7:30
4) 11:45
5) 10:14
Exit ticket
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CP Trig. Sect. 1.2 Day 2.notebook
Homework:
1.2 Worksheet #1­10
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CP Trig. Sect. 1.2 Day 2.notebook
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CP Trig. Sect. 1.2 Day 2.notebook
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