
Advanced Engineering Mathematics
10th Edition
ISBN: 9780470458365
Author: Erwin Kreyszig
Publisher: Wiley, John & Sons, Incorporated
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Transcribed Image Text:marks, you must justify your solution. Include the following as needed: Show diagram, Define variables, State form
theorem, equation or function used, Show substitutions and/or steps in solving an equation, State restrictions, Stat
concluding statement, Use correct notation. No marks are given if your solution includes: e or In, differentiation,
integration, limits. Marks will be deducted if units are in degrees. Final units need to be in radians.
1. If
sin x =
- 3
5
3π
2 and
T≤x≤-
sec y =
13 3π
12, 2
2. Solve: 13-22 cosx-8 sin² x 0≤x≤ 2π
-≤ y ≤ 2π
, find the exact value of cos(x + y).
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