Applications With Right Triangles - Sharp EL-9600 User Manual

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Chapter seven
APPLICATIONS WITH
RIGHT TRIANGLES
Introducing the Topic
The earliest applications of trigonometry involved solving right triangles.
In this chapter, you and your students will explore the use of graphics
calculator, particularly the SOLVER feature, in finding the solution to
problems involving applications with right triangles.
Calculator Operations
Before using the calculator to solve problems in this chapter, set the calculator
to operate in degrees by pressing 2ndF
touching 1 Deg. Press 2ndF
Historically, the six trigonometric functions were defined in relation to a right triangle.
)
Applications with Right Triangles/TRIGONOMETRY USING THE SHARP EL-9600
QUIT to exit the set up menu.
C
A
B
SET UP , touching B DRG, and double
A
sin
=
C
B
cos
=
C
A
tan
=
B
C
csc
=
A
C
sec
=
B
B
cot
=
A
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