Sharp EL-9600 User Manual

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 SET UP , touching B DRG, and double
touching 1 Deg. Press 2ndF QUIT to exit the set up menu.
Historically, the six trigonometric functions were defined in relation to a right triangle.
sin θ = csc θ =
cos θ = sec θ =
tan θ = cot θ =
Applications with Right Triangles/TRIGONOMETRY USING THE SHARP EL-9600 29
APPLICATIONS WITH
RIGHT TRIANGLES
Chapter seven
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A
B
C
θ
A
C
B
C
A
B
C
A
C
B
B
A

Sharp EL-9600 Specifications

General

Brand	Sharp
Model	EL-9600
Category	Calculator
Language	English