44 — M
achinist
c
alc™
P
ro
Time Calculations Using D:M:s
Add 7 Hours 45 Minutes 33 Seconds to 11 Hours 16 Minutes
20 Seconds:
KeysTRoKe
DIsPlay
O O
0.
7 . 4 5 . 3 3 +
DMs 7.45.33°
1 1 . 1 6 . 2 0 =
DMs 19.01.53°
Trigonometric functions
The following drawing and formulas list basic trigonometric
formulas, for your reference:
30 mm
40 mm
50 mm
Given side A and angle a, find:
Side C
A
,
a
g F
(Cos)
=
(e.g.,
3 0 m , 5 3 . 1 3 g F
(Cos)
=
)
Side B
A
*
a
g c
(Tan)
=
Angle b
90°
-
a
=
Given side A and angle b, find:
Side B
A
,
b
g c
(Tan)
=
Side C
A
,
b
g #
(Sin)
=
Angle a
90°
-
b
=
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