6. -V3 + i 5.7 + isin 6. (a) 2 cos (b) + isin (c) 2 cos + isin cos- (d) 2 cos + isin 3. (e) 2 cos + isin
6. -V3 + i 5.7 + isin 6. (a) 2 cos (b) + isin (c) 2 cos + isin cos- (d) 2 cos + isin 3. (e) 2 cos + isin
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°.
Related questions
Question
# 6
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In problems #4-6, write the complex number in trigonometric form.
4. -1+3
(a) 2 cos
+isin-
2
(b) 2 сos-
+ isin
2
(c) 2 cos-
+ isin-
(d) 2 cos
+ isin
4
(e) 2 cos-
+ isin
4
52 5N2;
5.
5/2
2
2
3 T
+ isin-
4
5 7
+ isin
3
(a) 5 cos
(b) 5 cos
+isin
3
(c) 5 cos-
4
(d) 5 cos
+isin
(e) 5 cos
+ isin
3
4
4
3.
6. -V3 +i
57
+ isin
6.
(a) 2 cos
(b) 2 сos
+ isin
(c) 2 cos
+isin
+ isin
3
TC
+ isin
3.
(d) 2 cos
(e) 2 cos-
3
In problems #7-8, express the complex number in the form a+ bi for real a and b.
7. 3(cos 240°+isin 240°)
27
4
(a)
3.
3
(b)
2
22
(d)
2
3 5
(c) -7+ iv23
3
(e)
4
5
+ isin
6
8.
2 COS
(a) /2 + i
(b) -V3 +i
(c) 4 – 3i
(d) v2 - N3
(e) V3 – /2
In problems #9-11. perform the indicated onerations.
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Transcribed Image Text:+-i
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In problems #4-6, write the complex number in trigonometric form.
4. -1+3
(a) 2 cos
+isin-
2
(b) 2 сos-
+ isin
2
(c) 2 cos-
+ isin-
(d) 2 cos
+ isin
4
(e) 2 cos-
+ isin
4
52 5N2;
5.
5/2
2
2
3 T
+ isin-
4
5 7
+ isin
3
(a) 5 cos
(b) 5 cos
+isin
3
(c) 5 cos-
4
(d) 5 cos
+isin
(e) 5 cos
+ isin
3
4
4
3.
6. -V3 +i
57
+ isin
6.
(a) 2 cos
(b) 2 сos
+ isin
(c) 2 cos
+isin
+ isin
3
TC
+ isin
3.
(d) 2 cos
(e) 2 cos-
3
In problems #7-8, express the complex number in the form a+ bi for real a and b.
7. 3(cos 240°+isin 240°)
27
4
(a)
3.
3
(b)
2
22
(d)
2
3 5
(c) -7+ iv23
3
(e)
4
5
+ isin
6
8.
2 COS
(a) /2 + i
(b) -V3 +i
(c) 4 – 3i
(d) v2 - N3
(e) V3 – /2
In problems #9-11. perform the indicated onerations.
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