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165
X
now
has a
value
of
1.570796327
or Pl/2, the arc sine of 1.
10 RADIAN
20 X=ASN 1
30 PRINT X
••Mi
The COMPUTER has three
forms
for
representing values
in
angular
values-decimal
degrees,
radians,
and
grads. These
forms
are used in
specifying
the
arguments
to the
SIN,
COS,
and
TAN functions and in returning the results
from the
ASN, ACS,
and
ATN
functions.
The RADIAN function
changes the
unit of
angle
for
all
values to radians
until a DEGREE
or GRAD verb
is
used.
Radian
represents
an
angular measurement
in terms
of the
length of the
arc with respect to a
radius, i.e., 360°
is 2
Pl
radians
since the
circumference
of a circle is 2
P!
times
the
radius.
IA!ii.J.Mi
The RADIAN
verb
is used
to change the
unit of
angl
e
to
radians.
1
RADIAN
Abbreviations: RAD.,
RADI., RADIA.
See
also: DEGREE,
GRAD
Verbs
RADIAN
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