Radio Shack TRS-80 - Page 165

EXERCISE
25-2:
Write
a program that
produces
the graph
of
SIN(X), with X taking
on
values from to 360
degrees
in 1-degree steps.
Refer
to the concentric
ovals program
for
ideas on how to put your
points on the screen.
Remember
that the
ranges
of X and
SIN(X)
will have to be adjusted to fit the
128
by
48 position screen.
Learned in
Chapter
25
;!M
*
m-
:•:-
Subroutines
—
regular and super
"Dummy
variables"
Subroutines available
in Appendix
A:
Square Root
Exponentiation
Logarithms
(Natural
and
Common)
Exponential
(Powers of
e)
Tangent
Cosine
Sine
Arc Cosine
Arc
Sine
Arc
Tangent
Sign
163