Solve the following problems. Show clear and organized solutions. Thanks!!! (Subject: Engineering Mathematics)Note: Answer only numbers 9-12 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)

Answered: Image /qna-images/answer/cef4c289-6cd0-4ee2-9536-2523508a2330.jpg

Answered: B. Trigonometric and Hyperbolic…

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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B. Trigonometric and Hyperbolic Function of Complex Number. Evaluate the following. Express your answer in a +jb. 9. cos (j4) 13. cosh (5 + j12) 14. sinh (2+ j2) 10. sin(j6) 11. cos(4 + j4) 12. sin(3 - j4) 15. tan (-3+ j3)