Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
Related questions
Question
Transcribed Image Text:13
Simplify:
(cos 0- sin 0)
TC
1.
cos-+i sin-
2.
(cosa +i sin a
TC
COS
TC
7C
+i sin
i sin
3
cos
5.
TC
+i sin
3
TC
COS
i sin
COS
3.
3
Prove that:
Scac
6.
(1+ cos 2a +i sin 20)
= 8 cos' a (cos 3a + i
Exponent
7.
(sin 0+ i cos0)-" = (-1)" (cos 2n0-i sin 2n0)
8.
(1+ cos0+ i sin Oy" + (1+ cos 0-i sin 0)" 2
du
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