Sharp EL-9600 - Page 78

74 Blackline Masters/TRIGONOMETRY USING THE SHARP EL-9600
Copyright © 1998, Sharp Electronics Corporation. Permission is granted to photocopy for educational use only.
Activity 1 Solve the following with the zoom feature.
1. 2sin
2
x + 3sin x – 2 = 0 _______________ degrees
2. 2sin x + 3 = 0 _______________ degrees
3. 4cos
2
x = 1 _______________ degrees
4. sin 2x = cos x _______________ radians
5. tan x + cot x = 2 _______________ radians
Activity 2 Solve the following with the CALC feature.
1. sin x + cos x = 0 _______________ degrees
2. sin
2
x = cos x – 1 _______________ degrees
3. 3cos 2x – 5cos x = 1 _______________ radians
4. 3cot x sin x + 2cos
2
x = 0 _______________ radians
5. 4tan x + sin 2x = 0 _______________ radians
SOLVING TRIGONOMETRIC EQUATIONS
6.3
NAME _____________________________________________________ CLASS __________ DATE __________
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