Express these functions either in terms of a cosine term only and as a sine term only or expand to express using both sine and cosine terms. y(t) = 2 sin4πt + 4 cos4πt y(t) = √2 cos(8t−45°) y(t) = 2 cos3t+5 sin3t
Express these functions either in terms of a cosine term only and as a sine term only or expand to express using both sine and cosine terms. y(t) = 2 sin4πt + 4 cos4πt y(t) = √2 cos(8t−45°) y(t) = 2 cos3t+5 sin3t
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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Express these functions either in terms of a cosine term only and as a sine term only or expand to express using both sine and cosine terms.
- y(t) = 2 sin4πt + 4 cos4πt
- y(t) = √2 cos(8t−45°)
- y(t) = 2 cos3t+5 sin3t
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