74
Blackline Masters/TRIGONOMETRY USING THE SHARP EL-9600
Cop
yr
ight ©
1998, Shar
p Electronics Cor
por
ation.
P
e
rmission is g
ranted to photocop
y f
or 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 2
x
= 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 2
x
– 5cos
x
= 1
_______________ radians
4.
3cot
x
sin
x
+ 2cos
2
x
= 0
_______________ radians
5.
4tan
x
+ sin 2
x
= 0
_______________ radians
SOLVING TRIGONOMETRIC EQUATIONS
6.3
NAME _____________________________________________________ CLASS __________ DATE __________
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