Find cos, sin, and tan as a simplified fraction

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
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Find cos, sin, and tan as a simplified fraction. 

A
25
20
B.
15
3/5
O 3/4
O 4/5
O 5/4
O 4/3
O 5/3
20
Transcribed Image Text:A 25 20 B. 15 3/5 O 3/4 O 4/5 O 5/4 O 4/3 O 5/3 20
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