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Method of Teaching
Use Blackline Masters 5.1 and 5.2 to create overheads or handouts for
demonstrating the computation and graphing of inverse trigonometric functions.
Demonstrate the process in both radian and degree modes.
Next, use the Blackline Master 5.3 to create a work sheet for the students. Have
the students compute and graph inverse trigonometric functions. Use the topics
For Discussion to supplement the worksheets.
Using Blackline Master 5.2
The following problems appear on Blackline Master 5.2. To compute inverse
+ –
trigonometric functions you will turn the calculator on and press
CL to
enter computation mode. The computations can be done in degrees and
radians. Let's do this one in radians by pressing 2ndF
SET UP , touching
B DRG, double touching 2 Rad. Press 2ndF
QUIT to exit the menu. To find
-1
-1
sin
(.4), press 2ndF
sin
•
4
ENTER . The answer of .4115 radians is
shown below. To find the result in terms of
press ÷
2ndF
ENTER .
So, .4115 radians is equal to .13099 .
Inverse Trigonometric Functions/TRIGONOMETRY USING THE SHARP EL-9600
21
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