Owner's manual

USER’S GUIDE —43
Trig Examples (Cont’d)
Example 2 — Sin A:
Solve angle A of the offset below, if the two known sides are:
Sidea=8Inches
Sidec=25Inches
In this case, use the trigonometry formula:
Sin = Opposite/Hypotenuse or Sin A = a/c
a) Longhand/Use Sine Formula:
KEYSTROKE DISPLAY
oo 0.
8÷25=ÇS 18.66292°
(18.7°)
b) Use Pythagorean Theorem Keys:
KEYSTROKE DISPLAY
oo 0.
8r Y8.
25d R 25.
p /
_
Ø 18.66292°
(18.7°)