User`s guide

Us e r 's GU i d e — 57
7.45.33+
DMS 7.45.33°
11.16.20=
DMS 19.01.53°
Trigonometric Functions
The following drawing and formulas list basic trigonometric
formulas, for your reference:
Given side A and angle a, nd:
 A
,
a
gF
(Cos)
=
(e.g.,
3i,53.13gF
(Cos)
=
)
 A
*
a
gc
(Tan)
=
Angle b 
-
a
=
Given side A and angle b, nd:
 A
,
b
gc
(Tan)
=
 A
,
b
g#
(Sine)
=
Angle a 
-
b
=
Given side B and angle a, nd:
 
,
a
gc
(Tan)
=
 
,
a
g#
(Sine)
=
(cont’d)
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