Question 4 cosh (T-i) = e cosl - i e sin 1 + e cos 1 + ie sin 1 e cosl + i e sin 1 e-I cos 1 + i e sin 1 TT TT -TT e cosl - ieT sin 1 + e-I cos 1 – i e-I sin 1 e cosl - ie sin 1 + e cos 1 + i e sin 1 2.
Question 4 cosh (T-i) = e cosl - i e sin 1 + e cos 1 + ie sin 1 e cosl + i e sin 1 e-I cos 1 + i e sin 1 TT TT -TT e cosl - ieT sin 1 + e-I cos 1 – i e-I sin 1 e cosl - ie sin 1 + e cos 1 + i e sin 1 2.
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.5: Product-to-sum And Sum-to-product Formulas
Problem 37E
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