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Unformatted text preview: Math 112 Spring 2008 F\EU
Quiz 1 (April 10, 2008) Name: \ You must ShOW all work clearly to receive any points for a problem. Circle your ﬁnal answers. You have 15 minutes. No notes or calculators are allowed. Express all answers in simplest
form. 1. (30 points) Use the deﬁnition (not a calculator) to ﬁnd the following function values. 0 sin (—15) 2 lit ﬂue:
Lt’ U: ‘l
: ZQJVZE; l
l
a
l
l
l
l
l
[
l
i . 2. (20 points) Factor the given expression. 3 00320) + 4cos(t) — 4 W /'Wr~v~—mnm,w ’“me.\
/ <3cosecl «2X Costa +2) \ 3. (30 points) The terminal side of an angle of t radians in standard position passes through
the point (—3, 4). Find the following. o sin(t)
0 003(1) 0 tan(t) L” _______,__...J
4. (20 points) Assume that
3 31:
cos(9) = — and — < 6 < 27:.
x/ 10 2 Use the Pythagorean identity to ﬁnd sin(6). 302(6) + 0051(9)? l 99(9) + (‘55; Q:\ ...
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This note was uploaded on 04/28/2008 for the course MATH 112 taught by Professor Lum during the Spring '08 term at Oregon.
 Spring '08
 LUM

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