MATH 145 Test 2 1. Given a-9, b-3, c=11, (a) find angle A. (b) find the area. 2. (b) Given angle B- 70°, A-60°, a=4, find side e. Find Area 3. Given cscA --4/3, *
MATH 145 Test 2 1. Given a-9, b-3, c=11, (a) find angle A. (b) find the area. 2. (b) Given angle B- 70°, A-60°, a=4, find side e. Find Area 3. Given cscA --4/3, *
Trigonometry (11th Edition)
11th Edition
ISBN:9780134217437
Author:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Publisher:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Chapter1: Trigonometric Functions
Section: Chapter Questions
Problem 1RE:
1. Give the measures of the complement and the supplement of an angle measuring 35°.
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MATH 145
Test 2
1. Given a-9, b=3, c=11,
(a) find angle A. (b) find the area.
(b) Given angle B= 70°, A=60°, a=4, find side e. Find Area
2.
3. Given cscA= -4/3, r<A<3a/2,
Find the exact values of
(a) cos 2A (b) sin2A
4. Find the exact value of
cot(arcsin( -2/5)
5. Convert to trigonometric form 4-4i
6. Z-3(cos20° +isin20°) Find z', and write in the form a+bi
7. Z,-3(cos45°+isin45°) Z.-2(cos15°+isin15°). Find Z, /Z.
and write in the form a+bi
8. Solve for 0: 050< 2n
sece-2 =0
67°F
11
DII
Prt Scn a
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