Prove that  1+tan^2(Z) =sec^2(Z)

Mathematics For Machine Technology
8th Edition
ISBN:9781337798310
Author:Peterson, John.
Publisher:Peterson, John.
Chapter58: Achievement Review—section Five
Section: Chapter Questions
Problem 30AR: Determine dimension x to 3 decimal places.
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Prove that 

1+tan^2(Z) =sec^2(Z)

 

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