Trigonometric Functions - Texas Instruments solar TI-36X User Manual

Trigonometric Functions

displays a menu of the trigonometric functions
-1 -1
(sin, sin , cos, cos , tan, tan
select the desired function, enter the value, and close
the parentheses with .
Set the desired angle mode before starting
trigonometric calculations. The problems below assume
the default, which is degree mode. See the section on
Angle Modes (page 22) for other angle modes.
³
3 0 4
0 7 3 9 1
20
Ti36eng1.doc TI-36X II Manual Linda Bower Revised:
01/10/03 10:47 AM Printed: 01/10/03 10:47 AM Page 20 of
48
-1
). Press or to
Examples
-1
Ý
cos cos
,-/
ß
cos(30)
0.8660
.1: ,-/
-1
sin sin
.1: ,-/
-1
Þß
sin (0.7391
47.6548
.1: ,-/
-1
Þß
cos(tan (1)
1
0.7071
.1: ,-/