**Unformatted text preview: **IN CLASS
NAME
PERFECT A.
TERP
Nov. 22, 2004
TA
SECTION
MATH 115 - EXAM 3
INSTRUCTIONS: Write your name on each answer sheet and on the examination. Work each numbered problem on a different
answer sheet with Problem I on this sheet. Show all the work necessary to substantiate your answers. In order to receive credit for
this exam you must return the exam sheet with the answer sheets. No calculators or other electronic devices.
Answer Problem I in the spaces provided on this sheet.
(6) 1. a. Find two numbers that have the same terminal point on the unit circle as -". One of your answers should be between 0
and 27t, the other between -2x and 0.
571
- 127 - ?
375
5
Between 0 and 2x:
7 71/3 ( = 271 - 34/5)
5
Between -2x and 0:
371/5
(10)
b. Find the exact value:
i. tan ( ) sec (- of
- fan ( 3 ) " (Of + " )
= V3 . - Cos ( #1 / 6 )
- - V3 /
V3
( ) COS (1043 JI)
2
= Ain ( " )COTT = v2. (- ) = 1
c. Write an appropriate trigonometric equation or function for each of the following graphs.
(10)
N/=
X .
- -1
1. Function (or equation): A Dec (2x)
ii. Function ( or equation):
tan (* -"
B/C AMPL= 1
= tam ( *+ II
NO PHASE SHIFT
PERIOD = 301 ( - 4 ) = 71
=-cot(x)
IT
Please turn over for Problems 2-6.
1-1 of 2...

View
Full Document

- Spring '16
- arosca
- Trigonometry, Unit Circle, Tan