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Chapter two
EVALUATING TRIGONOMETRIC
FUNCTIONS
Introducing the Topic
In this chapter, you and your students will learn how to evaluate trigonometric
functions directly in radians or degrees, and graphically through the tracing feature.
Calculator Operations
To evaluate sin 45° directly, you will turn the calculator on and press
enter computation mode. Press CL to clear the viewing window of any old
expressions. To evaluate trigonometric functions in degrees, you can set the
calculator to operate in degrees by pressing 2ndF
and double touch 1 Deg. Press 2ndF
sin 45° you will press sin
Evaluating Trigonometric Functions/TRIGONOMETRY USING THE SHARP EL-9600
QUIT to exit the menu. Now, to find the
4
5
ENTER .
+ –
SET UP , touch B DRG,
to
5
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