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If O=pie/4, numerically show that the following equations are identities by finding the exact values of each expression. show your work and leave your answers with rationalised denominators for questions 8 and 9
![If Opie4 Numerically Show That The Following Equations Are Identities By Finding The Exact Values Of Each Expression Show Your Work And Leave Your Answers With class=](https://us-static.z-dn.net/files/d28/1c32480a971c68c678a1e791d1532759.png)