Solve the following problems. Show clear and organized solutions. Thanks!!! (Subject: Engineering Mathematics)Note: Answer only numbers 13-15 B. Trigonometric and Hyperbolic Function of Complex Number. Evaluate the following. Express your answerin a +jb.9. cos(j4)13. cosh (5 + j12)14. sinh (2 + j2)15. tan (-3 + j3)10. sin(j6)11. cos(4 + j4)12. sin(3 - j4)

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Answered: 13. cosh (5 + j12) 14. sinh (2 + j2)…

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

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13. cosh (5 + j12) 14. sinh (2 + j2) 15. tan (-3+ j3)