cos
-
Cosine
COS(numeric'expression)
The
cosine function gives you the cosine of the argument,
x,
where
x
is
an
angle
in
radians,
The
argument is the value obtained when
the
numeric'expression
is
evaluated.
The
normal rules
for
evaluating numeric expressions are used here,
If
the angle
is
in degrees. multiply the degrees by 'IT/180 to get the
equivalent angle in radians.
You
may use
(4
*ATN(I)}/180 or
0.01745329251994
for 'IT/180. Note that if you
enter
a value
of
x
where
Ix I
2:
1.5707963266375*10"'. the message "BAD
ARGUMENT"
is
displayed and the program stops running.
Examples:
>NEW
>100
A=1.047197551196
>11(}
R=I'.(}
>120
C=.01745329251994
>130
PRINT
COS(A);COS(B*C)
>140
PRINT
COS(B*(4*ATN(1»/1
80)
>150
END
>RUN
.5
.5
.5
**
DONE
**
>PRINT
COS(2.2E11)
*
BAD
ARGUMENT
EXP
-
Exponential
EXP(numeric'expression)
The
exponential function gives you the value of
e.
where
e =
2.718281828,
The
argument.
x,
is
the
value
obtained
when
the
numeric-expression is evaluated.
The
normal rules for the
evaluation of numeric expressions are used here.
The
exponential
function
is
the
inverse
of
the
na.tural
logarithm
function
(LOG).
Thus.
X=EXP
(LOG(X)).
User's
Reference
Guide
>NEW
>100
A=3.79
>110 PRINT
EXP(A)iEXP(9)
>120 PRINT EXP(A*2)
>130
PRINT
EXP(LOG(2»
>140
END
>RUN
44.25640028
8103.083928
1958.628965
2
**
DONE
**
II·93
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