Sharp EL-9600 User Manual page 80

NAME _____________________________________________________ CLASS __________ DATE __________
7.2
APPLICATIONS WITH RIGHT TRIANGLES
A rectangle has length 16 cm and width 8.6 cm. Find the degree measure of
angle A. Determine the length of the diagonal of the rectangle.
+ –
1. Press
the equation that is on the screen.
2. Enter the equation tan
a/b ALPHA
3. Press ENTER to view the variable list.
4. Enter 8.6 for A and 16 for B. (The value of
was used in the previously entered equation.)
5. Position the cursor over
6. To determine the length of the diagonal of the rectangle, return to the
equation by pressing CL
sin = A/C.
7. Press ENTER to see the variable list. The value of
so enter 8.6 for A and solve for C.
76 Blackline Masters/TRIGONOMETRY USING THE SHARP EL-9600
8.6
2ndF SOLVER to access the SOLVER, and press CL to delete
A
= by pressing tan
B
A ALPHA
and press 2ndF
CL and edit the current equation to read
A
(
16
ALPHA
B .
will be listed as the one that
EXE to find .
ALPHA =
should be as before,