5Show that | cos(z)|? = (cosx)? +(sinhy)? for all z € C, where x = Re(z) and y = Im(2).

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answerhappygod
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5Show that | cos(z)|? = (cosx)? +(sinhy)? for all z € C, where x = Re(z) and y = Im(2).

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5show That Cos Z Cosx Sinhy For All Z C Where X Re Z And Y Im 2 1
5show That Cos Z Cosx Sinhy For All Z C Where X Re Z And Y Im 2 1 (8.83 KiB) Viewed 27 times
5Show that | cos(z)|? = (cosx)? +(sinhy)? for all z € C, where x = Re(z) and y = Im(2).
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