Texas Instruments TI-30X Teachers Guide - Page 16

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Trig Functions Name Date Problems 1. Find the trigonometric ratios for the triangle. Round to the nearest hundredth. (Use % , for rounding.) a. sin C b. cos C c. tan C d. sin A A 3 5 B C 4 e. cos A f. tan A 2. Using the TI-30X ÙS, find the value of each ratio. Round to the nearest ten thousandth. a. sin 71º b. tan 31º c. cos 25º 3. Using the TI-30X ÙS, find the measure of each angle. Round to the nearest degree. a. sin B = 0.4567 b. cos A =0.6758 c. tan C = 5.83 © 1999 TEXAS INSTRUMENTS INCORPORATED TI-30X ÙS: A Guide for Teachers 12

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© 1999 T
EXAS
I
NSTRUMENTS
I
NCORPORATED
TI-30X
Ù
S: A Guide for Teachers
12
Trig Functions
Name
___________________________
Date
___________________________
Problems
1.
Find the trigonometric ratios for the triangle. Round to the nearest
hundredth. (Use
%
‚
for rounding.)
a.
sin
C
_______________________
b.
cos
C
_______________________
c.
tan
C
_______________________
d.
sin
A
_______________________
e.
cos
A
_______________________
f.
tan
A
_______________________
2.
Using the TI-30X
Ù
S, find the value of each ratio. Round to the nearest ten
thousandth.
a.
sin 71”
_______________________
b.
tan 31”
_______________________
c.
cos 25”
_______________________
3.
Using the TI-30X
Ù
S, find the measure of each angle. Round to the nearest
degree.
a.
sin
B
= 0.4567
_______________________
b.
cos
A
=0.6758
_______________________
c.
tan
C
= 5.83
_______________________
5
4
3
B
C
A