Sharp EL-9600 - Page 63

Blackline Masters/TRIGONOMETRY USING THE SHARP EL-9600 59
Copyright © 1998, Sharp Electronics Corporation. Permission is granted to photocopy for educational use only.
Activity 1 Direct evaluation of trigonometric functions in
degrees
1. sin 80° 2. cos (
-
10°) 3. tan 70°
4. csc 55° 5. sec 22° 6. cot 40°
Activity 2 Direct evaluation of trigonometric functions in
radians
7. sin (– ) 8. cos ( ) 9. tan ( )
10. csc ( ) 11. sec ( ) 12. cot (– )
EVALUATING TRIGONOMETRIC FUNCTIONS
2.3
NAME _____________________________________________________ CLASS __________ DATE __________
π
5
5
π
4
2
π
3
7π
6
π
4
π
7