3πt 3πt 19. Simplify sin cos+cos sin 14π 15 a. cos b. sin 4π 15 14πT 15 C. sin- 4TT 15 d. cos-
3πt 3πt 19. Simplify sin cos+cos sin 14π 15 a. cos b. sin 4π 15 14πT 15 C. sin- 4TT 15 d. cos-
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Transcribed Image Text:3π
TT
3πT
TT
19. Simplify sin cos + cos sin
-
5
3
3
a. cos
14π
15
5
b. sin
4πT
15
20. An equation for a quartic function with zeros 4, 5, and
a. y = (x − 6)²(x − 4)(x − 5)
b. y = (x-4)²(x - 5)(x − 6)
C. sin
14π
15
4π
15
d. cos-
6 that passes through the point (7, 18) is:
C. y = (x4) (x – 5)(x − 6) d. No Solution
-
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