64 Blackline Masters/TRIGONOMETRY USING THE SHARP EL-9600
Copyright © 1998, Sharp Electronics Corporation. Permission is granted to photocopy for educational use only.
Activity 2 Verify the formula from Activity 1 for intervals
where sine is negative:
1. Press Y= ▼ to access the Y2 prompt.
2. Press (–) to insert a negative in front of the radical.
3. Sin ( ) will be negative for 2π < x < 4π. Enter this range by pressing
WINDOW 2 2ndF π ENTER 4 2ndF π ENTER .
4. Check to see if they result in the same graph by pressing GRAPH .
5. Sketch the graph in the box below.
GRAPHICAL VERIFICATION OF FORMULAS AND IDENTITIES
3.4
NAME _____________________________________________________ CLASS __________ DATE __________
x
2
To Next Page
Loading...
