Texas Instruments TI-30XS Multiview User Manual

Copyright © 2006 Texas Instruments Incorporated 22
Example Radian Mode
³ Problem
Find angle A of the right triangle below. Then calculate angle
B and the length of the hypotenuse c. Lengths are in meters.
Round results to one decimal place.
Reminder:
Tan p"<- @
gq4 "E <
Tan
-1
%\1 E<
n
Cos 5 V?gq4 "E
<
n
tan A = therefore m
±A = tan
-1
m
±A + m±B + 90Ä = 180Ä
therefore m
±B = 90Ä - m±A
c =
p$$""<
7
3
--
7
3
--
⎠
⎞
⎝
⎛
3
2
7
2
+
c
B
A
3
7
C

Texas Instruments TI-30XS Multiview Specifications

General

Type	Scientific
Cover	Yes
Form factor	Pocket
Control type	Buttons
Product color	Blue, Yellow
Digits	16 digits
Display type	LCD
Display tilting	No
Display number of lines	4 lines
Storage media type	-
Power source	Battery/Solar