U
SER
’
S
G
UIDE
— 61
(Cont’d)
KEYSTROKE
DISPLAY
1. Enter side a, b, and c:
o o
0.
8 f 2 i 3 / 8 Ç 4
A
8
FEET
2-3/8
INCH
4 2 i Ç 5
B
42
INCH
6 f 1 0 i Ç 6
C
6
FEET
10
INCH
2. Calculate and input Theta by subtracting Degree “A” (found by the
Law of Cosines) from known angle of 180°:
1 8 0 – Ç 9
/
_A 99.94554°
=
80.05446
(Theta θ)
p
/
_Ø 80.05446°
3. Recall stored “c” and input as “r”:
® 6 = d
R 6
FEET
10
INCH
4. Calculate “x”:
R
X 1
FEET
2-3/16
INCH
5. Calculate “y”:
r
Y 6
FEET
8-3/4
INCH
STORED
STORED
STORED
